{"seq":1,"id":"INIT","type":"init","at":"2026-11-05T11:58:39Z","by":null,"prev":"sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855","content_hash":"sha256:8bb2a549f305edf682bafb02ae9fc53116fbfed421737671b0ff719ff67ddbdf","supersedes":null,"origin":null,"body":{"lab_spec_version":"0.15","working_title":"What MuseScore users ask for: unmet needs around arranging and parts","repository":null,"started_at":"2026-11-05T11:58:39Z","study":"musescore-needs"}}
{"seq":2,"id":"AC1","type":"actor","at":"2026-11-05T11:58:54Z","by":"AC1","prev":"sha256:4ad65cde1baf2988eb39d29c12ddbe54276ce63ce6161c39a688323c4c9889b0","content_hash":"sha256:23a69d9896e2267fbd23f105213f6a52b2c3a3413bbd2961c46413968f04f86f","supersedes":null,"origin":null,"body":{"kind":"human","name":"Ivan Svetunkov"}}
{"seq":3,"id":"AC2","type":"actor","at":"2026-11-05T11:58:54Z","by":"AC1","prev":"sha256:5921a4e8cfbb3b0eeb0db7426b2a6990465c0e472706b7bc8056a5f8d34df0ab","content_hash":"sha256:9a7614d63c73583c93ae6a1b16cebba2035c6d21acc79ae1573f0a9b27608af4","supersedes":null,"origin":null,"body":{"kind":"agent","name":"Research agent","models":[{"provider":"Anthropic","name":"Claude Opus","version":"5.5","identifier":"claude-opus-5-5"}],"record_source":"self_reported"}}
{"seq":4,"id":"Q1","type":"question","at":"2026-11-05T11:58:54Z","by":"AC2","prev":"sha256:c498f62f9995c9cd20249e81de43bc2d7dc9f5f5be0245a775bd8986324d1d3a","content_hash":"sha256:e23de1d45d47f25fdcda3774560308ddfa5aa9a7c77f09a0b39f394cf7a7c004","supersedes":null,"origin":null,"body":{"text":"Which unmet needs do MuseScore users raise most often in the MuseScore project's public feature requests, and where do needs about arranging, parts and instrumentation rank among them?"}}
{"seq":5,"id":"Q2","type":"question","at":"2026-11-05T11:58:55Z","by":"AC2","prev":"sha256:e4d4f8b6c016de5696f7617f24125550ddd2d5529fe8b4cb301d9d9b9860340a","content_hash":"sha256:c271b845a967d27c569749859681dd348ee7205dba05ddbe65e2711b1411edc4","supersedes":null,"origin":null,"body":{"text":"What recurring unmet needs about arranging music for a given set of players appear in MuseScore users' public forum and Reddit discussions?"}}
{"seq":6,"id":"TM1","type":"term","at":"2026-11-05T11:59:20Z","by":"AC2","prev":"sha256:3610caafa047c791667d68292f3a7ffbcb5b9df75ff803d1100adfd0e0255814","content_hash":"sha256:2ae8ccd48a040c222d9b19cc85fcf396281b247678e53883944af470331a4f04","supersedes":null,"origin":null,"body":{"term":"MuseScore feature requests","kind":"data","definition":"Issues in the public GitHub repository musescore/MuseScore labelled 'feature request', downloaded with the GitHub API; pull requests excluded."}}
{"seq":7,"id":"TM2","type":"term","at":"2026-11-05T11:59:20Z","by":"AC2","prev":"sha256:73ed305ff7d713e951556948f9de23598d36453fad22db33009424bbe3abcc6e","content_hash":"sha256:8f8575a3ad4b04f959a904addf9bcde9e228462ccc4a1c091a738ff655d821b6","supersedes":null,"origin":null,"body":{"term":"exploration set","kind":"data","definition":"MuseScore feature requests created before 2025-01-01; used to explore themes and form hypotheses."}}
{"seq":8,"id":"TM3","type":"term","at":"2026-11-05T11:59:21Z","by":"AC2","prev":"sha256:8d27db043472eb7b728f432e3d8994edd54cbf060151c023206cd725c1dcc021","content_hash":"sha256:0bb442cc16f78857da42aba8f62cc4cf365533f7b3d17fc8f1a0b1bfd49ab2b5","supersedes":null,"origin":null,"body":{"term":"held-out set","kind":"data","definition":"MuseScore feature requests created on or after 2025-01-01; not read during exploration; reserved for planned tests."}}
{"seq":9,"id":"DC1","type":"decision","at":"2026-11-05T11:59:21Z","by":"AC2","prev":"sha256:da390f15c1d85fef05c8ef848cea80ef4fe9e94a841c65af93ad9bb5ef73602f","content_hash":"sha256:2687cb8b32438a38c228ceb4f220268457a23aaaac611c2545092cf93d9c22a1","supersedes":null,"origin":null,"body":{"text":"Split the feature requests at 2025-01-01: earlier issues for exploration, later issues held out unread for planned tests."}}
{"seq":10,"id":"RN1","type":"run","at":"2026-11-05T11:59:21Z","by":"AC2","prev":"sha256:07b2b2b5996befbff11390129384650d1bf8729f97d931a97873ce6a640b831b","content_hash":"sha256:e653cc9f2f121e77744a31cd2ba4011e6544fe3970894ce323b32a4aae74aa77","supersedes":null,"origin":null,"body":{"label":"exploratory","command":["python3","claimset-code/musescore-needs/fetch_issues.py"],"code_version":"8a1256488d5ac4e129582b56641ae376f8a7d85b","dirty":false,"environment":{"software":{"python":"3.13.17","platform":"Linux-6.18.44-fc-v236-x86_64-with-glibc2.39"},"hardware":{"machine":"x86_64","cpus":2}},"started_at":"2026-11-05T11:59:21Z","ended_at":"2026-11-05T11:59:21Z","exit_status":"failed","exit_code":1,"outputs":[{"path":"stderr.txt","hash":"sha256:c979fd8d264ccc6f264c0cbf2605a49af230efefe3c3b5ecafdf52089747cf39"},{"path":"stdout.txt","hash":"sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"}]}}
{"seq":11,"id":"NT1","type":"note","at":"2026-11-05T11:59:42Z","by":"AC2","prev":"sha256:bf97cdf0f92cfdeb7bde8be40061d1f355e635583fea49f90c3269d548ffa29a","content_hash":"sha256:047ec053a82218d46e90dbef4d2d617fb06f0300b9b42ec4075b6032e5c82d7d","supersedes":null,"origin":null,"body":{"text":"RN1 failed: this session cannot call the repository issues endpoint (HTTP 403); switched the download to the search API, one creation year per query.","refers_to":["RN1"]}}
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{"seq":13,"id":"RS1","type":"result","at":"2026-11-05T12:00:34Z","by":"AC2","prev":"sha256:48a8800b2bd158ee850def072bacacde48032621357b35a9a41370572e5a597b","content_hash":"sha256:ab6d8e9b682af71a317e79f89d014958f7e7146c97d806fba5904440f6659831","supersedes":null,"origin":null,"body":{"quantity":"feature-request issues downloaded","value":1289,"run":"RN2","source":"results.json"}}
{"seq":14,"id":"RS2","type":"result","at":"2026-11-05T12:00:34Z","by":"AC2","prev":"sha256:c7d36168e611ec68598c5825ff680dec4ae98d994d3d441639d6d4ba5a8aee8f","content_hash":"sha256:3ca16f447be1726674cc87746d011867a374115e1c284904eb2229cfe536287c","supersedes":null,"origin":null,"body":{"quantity":"feature-request issues created before 2025-01-01 (exploration set)","value":1250,"run":"RN2","source":"results.json"}}
{"seq":15,"id":"RS3","type":"result","at":"2026-11-05T12:00:34Z","by":"AC2","prev":"sha256:790507fd63af44595ab7381b99d55ff8468a3ba194e194bee452bad451dfb228","content_hash":"sha256:ea960ac2189179bc10c17ccde5fa367cb8591c7a9036627c63436798d411a2ba","supersedes":null,"origin":null,"body":{"quantity":"feature-request issues created on or after 2025-01-01 (held-out set)","value":39,"run":"RN2","source":"results.json"}}
{"seq":16,"id":"DC2","type":"decision","at":"2026-11-05T12:00:57Z","by":"AC2","prev":"sha256:10dd917dd254f64589c741365d9d0811216deefae255ca6d5e35478ba5f5adb1","content_hash":"sha256:5935e60e8b25e56da7cf00ca8973da812ad1ab6dc2b3ad45d630c7156e988d47","supersedes":null,"origin":null,"body":{"text":"Replace the date split with a split by issue number: odd numbers for exploration, even numbers held out. The date split left only 39 held-out issues (RS3), too few for a planned test; only counts had been seen, no issue content."}}
{"seq":17,"id":"TM4","type":"term","at":"2026-11-05T12:00:58Z","by":"AC2","prev":"sha256:b45f7006512b7b66831e3b55e235ab39d22582259cc28fe4ff5b3011c6af62d7","content_hash":"sha256:99e343b353974038296f5593e069b1975703d33914756f982a12fe7b7c737be0","supersedes":"TM2","origin":null,"body":{"term":"exploration set","kind":"data","definition":"MuseScore feature requests with odd issue numbers; used to explore themes and form hypotheses."}}
{"seq":18,"id":"TM5","type":"term","at":"2026-11-05T12:00:58Z","by":"AC2","prev":"sha256:1c9de90fb66c8be86dbb686281f599d98758c3ae79240a9fa8d8a8b55be056d5","content_hash":"sha256:c24f3ceb90c2fa3ed24171883be2ed4dd673ce975da0ede56d64f8d94d920f12","supersedes":"TM3","origin":null,"body":{"term":"held-out set","kind":"data","definition":"MuseScore feature requests with even issue numbers; not read during exploration; reserved for planned tests."}}
{"seq":19,"id":"RN3","type":"run","at":"2026-11-05T12:00:58Z","by":"AC2","prev":"sha256:f674212dad97fa3a857b8e855a432c5786e9a55fa6b7e16ae54dfc4fcefd87b3","content_hash":"sha256:714ef8e967ff3c018bd17b5acd6d63b1a3cee873627409248e6e051e3a405954","supersedes":null,"origin":null,"body":{"label":"exploratory","command":["python3","claimset-code/musescore-needs/split_parity.py","claimset/musescore-needs/lab/runs/RN2/explore.json","claimset/musescore-needs/lab/runs/RN2/holdout.json"],"code_version":"d503158ab472490240e524efd5236c099ca96c5e","dirty":false,"data":[{"path":"claimset/musescore-needs/lab/runs/RN2/explore.json","hash":"sha256:7d0108d7e638980efb6633a5acc8e5adee870bcb764166ecab80c86ca5c38250"},{"path":"claimset/musescore-needs/lab/runs/RN2/holdout.json","hash":"sha256:70c3e875c811299e9544fc882b865666b85d82f65cc5aef3e38105e7a57c038c"}],"environment":{"software":{"python":"3.13.17","platform":"Linux-6.18.44-fc-v236-x86_64-with-glibc2.39"},"hardware":{"machine":"x86_64","cpus":2}},"started_at":"2026-11-05T12:00:58Z","ended_at":"2026-11-05T12:00:58Z","exit_status":"success","exit_code":0,"outputs":[{"path":"explore.json","hash":"sha256:68a2be0416be593be3d5aaf8cf5fb3ea412438530a2744999686bf4c63751bd0"},{"path":"holdout.json","hash":"sha256:59d07a71c853a4b46c5a57b3b08b085cfd479b04474edec17bf1491f7d8c32e5"},{"path":"results.json","hash":"sha256:95727b9e6c55c723ade3d2b03a882df7da084a4803e01fcc6616ad6fa115673d"},{"path":"stderr.txt","hash":"sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"},{"path":"stdout.txt","hash":"sha256:9a9f6b782c28dddf3bff25a7f8112afa3998c722ac85a37e1684e8843ac2b0b6"}]}}
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{"seq":24,"id":"RS7","type":"result","at":"2026-11-05T12:01:12Z","by":"AC2","prev":"sha256:dfea5166d81266b440c67bef9a19533386a70be292f4c0fcbd344e8b9b8a8315","content_hash":"sha256:0e2ca2703e3c42504b763de7fb8d69eb2c35c9c3df585b22105ac01bfa2fad2c","supersedes":null,"origin":null,"body":{"quantity":"total reactions on exploration-set issues","value":500,"run":"RN4","source":"results.json"}}
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{"seq":32,"id":"RS14","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:f2bbb74b80e94b1f7f9d2ddbccd1ad81282362bb0e6763396b1fe8b17b8c1bdc","content_hash":"sha256:a509aa976a7076b0518a31b5f09934726002caee84520987a1fc1598ec4c4a82","supersedes":null,"origin":null,"body":{"quantity":"issues in theme","value":98,"conditions":{"theme":"parts_and_linked_staves","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":33,"id":"RS15","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:8b48b6bd4e435880b65c621798a5de566ea02d03cd77f864057796deb83c15dc","content_hash":"sha256:a1012a76eb35317dfd9943d6dcbff267ed99a9daeba01968cfb33c58a65d932e","supersedes":null,"origin":null,"body":{"quantity":"share of issues in theme","value":0.1543,"conditions":{"theme":"parts_and_linked_staves","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":34,"id":"RS16","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:b201d9cd835744d6615c6955fd392609b2c1eca0a3205136c4dd4c2d5e882717","content_hash":"sha256:c93f89d0c7bf01a85cb379e1bd40f4cd46a4840c68462b830abf12c032555e0b","supersedes":null,"origin":null,"body":{"quantity":"total reactions on issues in theme","value":71,"conditions":{"theme":"parts_and_linked_staves","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":35,"id":"RS17","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:70922c7a43dba1a4018e09287b78bb991ad03712564ba1ec243705cdc4372ad7","content_hash":"sha256:048f4c431b81775bc21d94272f2502b7a8eae6676ef03e51841c426e8871f88c","supersedes":null,"origin":null,"body":{"quantity":"total comments on issues in theme","value":265,"conditions":{"theme":"parts_and_linked_staves","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":36,"id":"RS18","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:f893acdce9f556a55be22e458b69f4f724264db1e89f944e8c872c78f0db7056","content_hash":"sha256:b7db79f18ea273ce263ad4d92da896887b728e0e5e183dd01bf2446699e77d9b","supersedes":null,"origin":null,"body":{"quantity":"issues in theme","value":25,"conditions":{"theme":"transposition","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":37,"id":"RS19","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:52168a4f3f180e76efddfcbb8e69cb6d1ef5a70af4d1649f880781d0f6851855","content_hash":"sha256:3254fdecdc30d2edb3bc52786f257ef4d6d79e761d7eb5551a0b051eade63eae","supersedes":null,"origin":null,"body":{"quantity":"share of issues in theme","value":0.0394,"conditions":{"theme":"transposition","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":38,"id":"RS20","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:daff6dd3516f89772b3cd6726631a59f1ff9495627db1fcd0f6674bc2084d718","content_hash":"sha256:6d118869ee250d37c936996513f82aeb88e443d59a1535cde6d7518412d7d1a7","supersedes":null,"origin":null,"body":{"quantity":"total reactions on issues in theme","value":15,"conditions":{"theme":"transposition","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":39,"id":"RS21","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:5cf5dd1514f2fdcfc297f0b7e47b3bc30918d560c824015f19629e60d9045b74","content_hash":"sha256:4e66b87fb0af4dc712483482b072a7385ef3d9d734935bda530fdd63cdbf553f","supersedes":null,"origin":null,"body":{"quantity":"total comments on issues in theme","value":72,"conditions":{"theme":"transposition","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":40,"id":"RS22","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:05f4162db2ff5cef7d9393999994094358be80738365e9291d2c7e7de0149897","content_hash":"sha256:3b8771aa62fa40174377921a302a8104792cfd0a589c73590550319dd40ee4f5","supersedes":null,"origin":null,"body":{"quantity":"issues in theme","value":18,"conditions":{"theme":"generation_assistance","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":41,"id":"RS23","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:40d4b0a50376f24cf9c44a543a38b98518cea2feb25fef307261e56d39a2692f","content_hash":"sha256:e3a1da5b49c34257ae294a3f8b2fa6ec750827ffda6ac3de7bb35d0a0f736dd6","supersedes":null,"origin":null,"body":{"quantity":"share of issues in theme","value":0.0283,"conditions":{"theme":"generation_assistance","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":42,"id":"RS24","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:3ccc19279c8a1904eb7d88ca49df54a4fc353a74075a176c04beb5c9efe1f504","content_hash":"sha256:034d1c4cedcd6f909ae6bcab3b571d75ee83962250c31a541f5d8fb617adb2a9","supersedes":null,"origin":null,"body":{"quantity":"total reactions on issues in theme","value":15,"conditions":{"theme":"generation_assistance","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":43,"id":"RS25","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:0f0f31238a0a5f0011a966986108f3cdec31c4b706a5b1c997cb613c1a17ee18","content_hash":"sha256:a7376c7466fa7d4ef345f1c0860a088c498aa754143d40e227d9cb14f4b9881d","supersedes":null,"origin":null,"body":{"quantity":"total comments on issues in theme","value":55,"conditions":{"theme":"generation_assistance","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":44,"id":"RS26","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:d7b77f8e76e34f7f2a5e365bb6e5ac6c75bfd570af93fbff91f435c88cf8fcc2","content_hash":"sha256:adf806e63403ec3e2d43bfe08b1b61a45fa3af88a2db5e73c6123823961604bd","supersedes":null,"origin":null,"body":{"quantity":"issues in theme","value":264,"conditions":{"theme":"notation_engraving","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":45,"id":"RS27","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:6a963a8a23b245239ec7133ee21ca3e845a52a2a8d60283204c6cfb7278e95ea","content_hash":"sha256:f558656f8d4142514b66af1c4175dcca7367df363baf42163564a398617eaa6e","supersedes":null,"origin":null,"body":{"quantity":"share of issues in theme","value":0.4157,"conditions":{"theme":"notation_engraving","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":46,"id":"RS28","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:00d09568625d275705471d0877462e9b2d21a7d176acfd67c86ddc8dc2288ee3","content_hash":"sha256:8423376b22167c124d320ea9c541fd0ae53299d489a317b024600e88aebd95f7","supersedes":null,"origin":null,"body":{"quantity":"total reactions on issues in theme","value":234,"conditions":{"theme":"notation_engraving","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":47,"id":"RS29","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:8a70aeb3af8cc6fdfffa5c692b80a0d0a82dd046fc98cd57d16d0cb4a3f74636","content_hash":"sha256:11da427cc8dc3946b660a3afc39baa6e25b88f4a8c447355411cfb198bf66708","supersedes":null,"origin":null,"body":{"quantity":"total comments on issues in theme","value":744,"conditions":{"theme":"notation_engraving","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":48,"id":"RS30","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:73438db9dcb64fff6eb11d9480c15ef88707054b60a0d2a842d8571114e7df85","content_hash":"sha256:a3ca5ac9896ff1f86587dc986d19abdc7d68d8fa484f74c2bd4bc15ae39a007f","supersedes":null,"origin":null,"body":{"quantity":"issues in theme","value":136,"conditions":{"theme":"playback_sound","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":49,"id":"RS31","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:89da981225a7914acfe39991b40fc1fb31b94f855d56fab5a1b30885f1018118","content_hash":"sha256:d2b14172f7d902afbcd26b74200b06569b289dcc841ef0a6c02243bac2d5b851","supersedes":null,"origin":null,"body":{"quantity":"share of issues in theme","value":0.2142,"conditions":{"theme":"playback_sound","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":50,"id":"RS32","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:ecf6dc8a2674fadcd51395aee60f5593022dc6d045bdb448822a586b9cd5d5d0","content_hash":"sha256:2b03830a4743b475944a67eaeb3323c802862d3e8ae4d4180f3a916968fcd36e","supersedes":null,"origin":null,"body":{"quantity":"total reactions on issues in theme","value":120,"conditions":{"theme":"playback_sound","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":51,"id":"RS33","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:239c2b96d20052e3612db03f3701a0874028354aa7d78ab0aef739f51456913d","content_hash":"sha256:f68fcdd359ae54347f352bf89560b02d45d8189f7646c446b2fc2eaa68acdd73","supersedes":null,"origin":null,"body":{"quantity":"total comments on issues in theme","value":409,"conditions":{"theme":"playback_sound","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":52,"id":"RS34","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:08e0d74a023e574ba104645ad8d3224301c0933d2969d152aa8359a2848e1e06","content_hash":"sha256:5a5c94ee7ad76931f92e1d67c6d5ad1681289f842aea543f8e99f6da6214296d","supersedes":null,"origin":null,"body":{"quantity":"issues in theme","value":80,"conditions":{"theme":"platform_install","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":53,"id":"RS35","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:47d319056c98935255579285c044afd8a74738fe69901196875d2420a9575c68","content_hash":"sha256:8166f41a351bcb3a760ddfabc447a946ed71681306df5f810b76a471b980af93","supersedes":null,"origin":null,"body":{"quantity":"share of issues in theme","value":0.126,"conditions":{"theme":"platform_install","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":54,"id":"RS36","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:4f13a7981bec195ff11c667444becc11c55a97925a0403418e280ec8ac9ae6bf","content_hash":"sha256:079196c2e0ac101407a2e47ff7c8ed40a1d3f68df7356856e9c7cb7c0f4680c9","supersedes":null,"origin":null,"body":{"quantity":"total reactions on issues in theme","value":77,"conditions":{"theme":"platform_install","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":55,"id":"RS37","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:625b7c270e3bdddd20635e294293e08cf5c884fc87565c3a3355d55610f5f138","content_hash":"sha256:18475501b69d0968841d4840b287ed315a792248d5d38949b03d447d1d73824c","supersedes":null,"origin":null,"body":{"quantity":"total comments on issues in theme","value":384,"conditions":{"theme":"platform_install","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":56,"id":"RS38","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:1ba6240d98f4e68d5bbc57401ffa5208c3170aac4c730ea35f21a1b1015d8cf8","content_hash":"sha256:70cb1097647c666a84cace5a5c187446feae02caffb17b82a8f723e8a90c61ed","supersedes":null,"origin":null,"body":{"quantity":"issues in theme","value":143,"conditions":{"theme":"import_export","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":57,"id":"RS39","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:d22a4f1f0d03b804909c14d8e60aa473463a530225a25ec32eb1b169f56822a0","content_hash":"sha256:b1873f4c589abba93e1856e7c837274c4e8dfa64d1478c3a24f11281925411db","supersedes":null,"origin":null,"body":{"quantity":"share of issues in theme","value":0.2252,"conditions":{"theme":"import_export","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":58,"id":"RS40","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:ea62310999b2339f40ab4279666edb699bbde4305755c3da7ede8357351cc540","content_hash":"sha256:ca5836d03147afdddc101df5f975451a7854be5a215c714fa3789daedd5ebac5","supersedes":null,"origin":null,"body":{"quantity":"total reactions on issues in theme","value":116,"conditions":{"theme":"import_export","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":59,"id":"RS41","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:c1f23690cde2ce8de790bcfa2534c19679326d66f3705716fb4e87631de32803","content_hash":"sha256:00c084f75e39bd8da3a30de80bf7f9a1be1923ce1eecbe9ae7fe42c353afbc8b","supersedes":null,"origin":null,"body":{"quantity":"total comments on issues in theme","value":511,"conditions":{"theme":"import_export","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":60,"id":"RS42","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:648c89abc0be913bedaa55dc448afba084bde92480b0cbd57c740d8f52eedf07","content_hash":"sha256:32809d40728783a3061b72ef9d8b17605a4e1cd8f9c7091a062429ade8e0cdc6","supersedes":null,"origin":null,"body":{"quantity":"issues in theme","value":255,"conditions":{"theme":"input_workflow_ui","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":61,"id":"RS43","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:353e452d07f093d46bce525e12868028a1c7158c818fce031872964f3c980ec8","content_hash":"sha256:0664135d2425e1794503a9a1717e0d28aa734fbd3a8c4cec67294b41f4c2a113","supersedes":null,"origin":null,"body":{"quantity":"share of issues in theme","value":0.4016,"conditions":{"theme":"input_workflow_ui","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":62,"id":"RS44","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:045eba67e38bfd610ba9b451b012fd965ecd5142c2f8405ee9fb969c54874d3a","content_hash":"sha256:c692083fab8adb734669d38237394c04ea847da5630a48e839c4461c792b7725","supersedes":null,"origin":null,"body":{"quantity":"total reactions on issues in theme","value":177,"conditions":{"theme":"input_workflow_ui","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":63,"id":"RS45","type":"result","at":"2026-11-05T12:01:38Z","by":"AC2","prev":"sha256:01cae4cd08e7011e9279b4ba24673816df282d1ab687490bf5bfd288054bb76e","content_hash":"sha256:5880aa2e3fbf606b6ba2e9afa59e70907f4e1fcf199e8503868ac8682a79a758","supersedes":null,"origin":null,"body":{"quantity":"total comments on issues in theme","value":777,"conditions":{"theme":"input_workflow_ui","set":"exploration"},"run":"RN5","source":"results.json"}}
{"seq":64,"id":"NT2","type":"note","at":"2026-11-05T12:01:59Z","by":"AC2","prev":"sha256:9e0abd5cddcd95537d781e6d6b85e96e9d753b27f300a346ec9a45388cb71173","content_hash":"sha256:20e0fe6bdc70da5666d5ce14208fc1564ae0617287fc95b979e149aba4079a5f","supersedes":null,"origin":null,"body":{"text":"Exploration set (RN4, RN5): most-reacted requests concern platform packaging (Flatpak, Muse Hub on Linux), notation details and playback. Reactions are sparse (RS7: 500 in total; RS8: median 0). No request in the exploration set asks for automatic arranging or reduction to a given ensemble; the nearest are smarter staff merge/split (implode/explode: #16897, #25347), an instrumentation sheet (#24421), and flagging unplayable or hard notes and chords (#25499, #21609, #21559). The keyword theme rules are noisy: some matches are incidental words in issue bodies.","refers_to":["RN4","RN5"]}}
{"seq":65,"id":"TM6","type":"term","at":"2026-11-05T12:01:59Z","by":"AC2","prev":"sha256:d26db91a0e622082410569329e08a8a8037a95a223a593cb815867f0e9219fc9","content_hash":"sha256:0d8bd5220613b105ab8da26423f8c5d4ecb755cc469462733af62d2a270941d9","supersedes":null,"origin":null,"body":{"term":"theme classifier","kind":"method","definition":"Fixed case-insensitive keyword rules (regular expressions in claimset-code/musescore-needs/themes.py at the recorded commit) applied to an issue's title and body; an issue may belong to several themes."}}
{"seq":66,"id":"TM7","type":"term","at":"2026-11-05T12:01:59Z","by":"AC2","prev":"sha256:c5c395f177047f70839710a805adb3459efa265b4faae18c67325a84ab2ccefe","content_hash":"sha256:dc0eb7d5e8ddc8c3f64389153f29acb2d0e7a83b7337286e8fd9e2bef2455e19","supersedes":null,"origin":null,"body":{"term":"arranging and instrumentation theme","kind":"variable","definition":"Feature requests matched by the theme classifier's arranging_instrumentation rule (arranging, orchestration, reduction, implode/explode, instrument change, ensemble, instrumentation, playable range)."}}
{"seq":67,"id":"TM8","type":"term","at":"2026-11-05T12:02:00Z","by":"AC2","prev":"sha256:29b2142230b0feaf8d6fc52683cbe0f1f99d596fb5d79e4a63bfc873d3d35593","content_hash":"sha256:be74aadba491cc776b820c0115a0741184b427e0d6bef19da79cf9f9c781c9e3","supersedes":null,"origin":null,"body":{"term":"notation and engraving theme","kind":"variable","definition":"Feature requests matched by the theme classifier's notation_engraving rule (slurs, ties, accidentals, stems, beams, tuplets, clefs, signatures, lyrics, chord symbols, articulations, dynamics, engraving)."}}
{"seq":68,"id":"TM9","type":"term","at":"2026-11-05T12:02:00Z","by":"AC2","prev":"sha256:5a0c1c4a7c9df91d89191255d0487ec0b28fee316dcfb409ced4837bfd5d3bb2","content_hash":"sha256:31d6a6b49ee8e79d7b2cba99f94ab3f88dc93a654377b4dc3181fea0012a5a90","supersedes":null,"origin":null,"body":{"term":"share of issues in theme","kind":"variable","definition":"Issues matched by a theme rule divided by all issues in the set."}}
{"seq":69,"id":"TM10","type":"term","at":"2026-11-05T12:02:00Z","by":"AC2","prev":"sha256:cb195b726d05ecfff05d230046eb3d011f53aa550c0e38259f638a4b7c182143","content_hash":"sha256:db9bad1a4336628909530a4e44df88265bf87c2bdc0dd76ef1fa18b9087959ef","supersedes":null,"origin":null,"body":{"term":"total reactions on issues in theme","kind":"variable","definition":"Sum of GitHub reactions (all reaction types) on the issues matched by a theme rule, at download time."}}
{"seq":70,"id":"H1","type":"hypothesis","at":"2026-11-05T12:02:11Z","by":"AC2","prev":"sha256:182f300ff6a9fb9174f8b3c92ab0253a025e80185792063efa83409791a83e6f","content_hash":"sha256:6383b72c6f57abe52365e491bef733b2848b46ba0c52893cce609a3118297ca1","supersedes":null,"origin":null,"body":{"statement":"Requests in the [[TM7:arranging and instrumentation theme]] make up less than 10% of [[TM1:MuseScore feature requests]] ([[TM9:share of issues in theme]] < 0.10).","question":"Q1","origin":"from_exploration","prompted_by":["RS11"],"about":{"subject":"TM7","relation":"makes up less than 10% of","object":"TM1","comparator":null,"conditions":[]}}}
{"seq":71,"id":"H2","type":"hypothesis","at":"2026-11-05T12:02:11Z","by":"AC2","prev":"sha256:022adf94748c058802b2587b5c3bb915d9838238184d06940f9b6ace90ef08d0","content_hash":"sha256:b87016d938d9b4acc13fbfe5587cb1bd2754e99c7c8ca8b3751a4206a524e389","supersedes":null,"origin":null,"body":{"statement":"Requests in the [[TM8:notation and engraving theme]] receive more [[TM10:total reactions on issues in theme]] than requests in any other theme of the [[TM6:theme classifier]].","question":"Q1","origin":"from_exploration","prompted_by":["RN5"],"about":{"subject":"TM8","relation":"receives more reactions than","object":"every other theme","comparator":null,"conditions":[]}}}
{"seq":72,"id":"PL1","type":"plan","at":"2026-11-05T12:02:38Z","by":"AC2","prev":"sha256:56dd620cb6c889fef5f2523d796e936f929240250f59ee7662e9f1b9dd0269ab","content_hash":"sha256:effe3baaeb6d0fee07f33c592257373de1b37a4f388d2d9fcd9f91054f4bbf12","supersedes":null,"origin":null,"body":{"kind":"confirmatory","hypotheses":["H1"],"design":"Run themes.py (theme classifier at the recorded commit, unchanged since exploration) once on the held-out set: the 654 even-numbered MuseScore feature requests from the download in RN2, split in RN3.","analysis":"Share of held-out issues matched by the arranging_instrumentation rule.","setup":{"studied":["TM7"],"cases":["TM5"],"procedure":["TM6"],"lens":["TM9"]},"new_data":"The even-numbered issues; exploration read only the odd-numbered ones.","decision":{"framework":"deterministic","parameters":{"threshold":0.1,"sample":"all 654 held-out issues; one run; no stopping rule"},"quantities":{"s":{"quantity":"share of issues in theme","conditions":{"theme":"arranging_instrumentation","set":"held-out"}}},"supported":"s < threshold","not_supported":"s >= threshold"},"requires_approval":true,"data":[{"description":"claimset/musescore-needs/lab/runs/RN3/holdout.json","hash":"sha256:59d07a71c853a4b46c5a57b3b08b085cfd479b04474edec17bf1491f7d8c32e5"}],"holdout":[{"path":"claimset/musescore-needs/lab/runs/RN3/holdout.json","hash":"sha256:59d07a71c853a4b46c5a57b3b08b085cfd479b04474edec17bf1491f7d8c32e5"}],"code_version":"831a6bf93175978b0965afba7f94540d2e4fe358","dirty":false}}
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{"seq":74,"id":"PL3","type":"plan","at":"2026-11-05T12:02:45Z","by":"AC2","prev":"sha256:c8ddb6dd8def0e0f57046a3814cb9f9ae9220a8949466cf9f65d84bc0a6534af","content_hash":"sha256:3c4d5d691d6d2eb4a1850ea7c6e7c3fbb52ddbb7f5407a7c66a9ae619d10f827","supersedes":"PL1","origin":null,"body":{"kind":"confirmatory","hypotheses":["H1"],"design":"Run themes.py (theme classifier at the recorded commit, unchanged since exploration) once on the held-out set: the 654 even-numbered MuseScore feature requests from the download in RN2, split in RN3.","analysis":"Share of held-out issues matched by the arranging_instrumentation rule.","setup":{"studied":["TM7"],"cases":["TM5","TM1"],"procedure":["TM6"],"lens":["TM9"]},"new_data":"The even-numbered issues; exploration read only the odd-numbered ones.","decision":{"framework":"deterministic","parameters":{"threshold":0.1,"sample":"all 654 held-out issues; one run; no stopping rule"},"quantities":{"s":{"quantity":"share of issues in theme","conditions":{"theme":"arranging_instrumentation","set":"held-out"}}},"supported":"s < threshold","not_supported":"s >= threshold"},"requires_approval":true,"data":[{"description":"claimset/musescore-needs/lab/runs/RN3/holdout.json","hash":"sha256:59d07a71c853a4b46c5a57b3b08b085cfd479b04474edec17bf1491f7d8c32e5"}],"holdout":[{"path":"claimset/musescore-needs/lab/runs/RN3/holdout.json","hash":"sha256:59d07a71c853a4b46c5a57b3b08b085cfd479b04474edec17bf1491f7d8c32e5"}],"code_version":"831a6bf93175978b0965afba7f94540d2e4fe358","dirty":false}}
{"seq":75,"id":"NT3","type":"note","at":"2026-11-05T12:03:35Z","by":"AC2","prev":"sha256:cb55fbf750b99955f4dd2681669dc561d4fee84919d9961dbfdcacd3a76b2ae7","content_hash":"sha256:38fa25ab635da82d32b3fbb8be16d6a9014bb59c60ad6d7fd0a60950fffa5f83","supersedes":null,"origin":null,"body":{"text":"Forum scan (musescore.org), qualitative, no counts: users periodically ask MuseScore to arrange or re-voice music for a given set of instruments: a piano score into a woodwind quintet (2014, https://musescore.org/comment/96875), an 'Arrange for' command from scanned piano music (2014, https://musescore.org/en/node/42911), automatic orchestration of piano chords (https://musescore.org/en/node/291410), parts for alternative transposing instruments (2017, https://musescore.org/en/node/259001). Replies consistently say there is no automatic method; the workarounds are Explode/Implode, manual copy-paste, and the Arrange Parts plug-in, which supports only MuseScore 1.x and does not fit notes to instrument ranges (https://musescore.org/project/arrange-parts).","refers_to":["Q2"]}}
{"seq":76,"id":"NT4","type":"note","at":"2026-11-05T12:03:35Z","by":"AC2","prev":"sha256:4b0125021f8ed51d36118e30c3d56899fc2f01fbfb5338a2ef154edd9e0c8357","content_hash":"sha256:72459ae38850a8c055219a0c14d8a38aa78119b1f86c1f93bb6bf9c69f155bea","supersedes":null,"origin":null,"body":{"text":"Context, qualitative: Muse Hub's arrangements page (https://www.musehub.com/arrangements) promotes ready-made arrangements from a score library that users can open and edit in MuseScore Studio; it mentions no service for commissioning custom arrangements. Freelance marketplaces list paid services for arranging sheet music for any set of instruments (Upwork, Fiverr; page contents not retrieved).","refers_to":["Q2"]}}
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{"seq":78,"id":"AP1","type":"approval","at":"2026-11-05T12:04:28Z","by":"AC2","prev":"sha256:3f8959254decc34352d7c9e6e0140b4b4db5fd5ab3afbc274bc742c5a591ccad","content_hash":"sha256:896b9e35303d7d9a34a775bf31ff2ffecaf2b1a6d5106f6b2a3e6f75d0b7812b","supersedes":null,"origin":null,"body":{"target":"PL3","on_behalf_of":"AC1","words":"yes","given_at":"2026-11-05T12:04:00Z","channel":"conversation"}}
{"seq":79,"id":"AP2","type":"approval","at":"2026-11-05T12:04:28Z","by":"AC2","prev":"sha256:f787ea9d2e96af5849c87a78ef2dd4676f338a4270603d54e05bf3bd32e992d8","content_hash":"sha256:9c8e81c4e5c522b22da5ad994e7e76a2c9772275ed8e94e5e28101b919978e11","supersedes":null,"origin":null,"body":{"target":"PL2","on_behalf_of":"AC1","words":"yes","given_at":"2026-11-05T12:04:00Z","channel":"conversation"}}
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{"seq":86,"id":"RS51","type":"result","at":"2026-11-05T12:04:29Z","by":"AC2","prev":"sha256:f2808b86e758e7df8d68111ed1023c2fa09316ebefc36590d76e70c9a8d8b7a2","content_hash":"sha256:bd9ba00a139b11b5fe9263a4ae0cd5d1dd8c5927070ef184bc0bdef3bab35217","supersedes":null,"origin":null,"body":{"quantity":"share of issues in theme","value":0.1346,"conditions":{"theme":"parts_and_linked_staves","set":"held-out"},"run":"RN6","source":"results.json"}}
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{"seq":150,"id":"RS114","type":"result","at":"2026-11-05T12:04:36Z","by":"AC2","prev":"sha256:042097232439a08d606a1236cf7fed6198e3565e43b0858f501016713de43944","content_hash":"sha256:eaa090b168970ce0eec0903ecb846f0b3400d7ad6142f84616f8ea1f41f3d4f7","supersedes":null,"origin":null,"body":{"quantity":"issues in theme","value":255,"conditions":{"theme":"input_workflow_ui","set":"held-out"},"run":"RN7","source":"results.json"}}
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{"seq":152,"id":"RS116","type":"result","at":"2026-11-05T12:04:36Z","by":"AC2","prev":"sha256:5b8e5f09d03e8736240ce12f68b9f58b0caba51cbd7e506a83e5a6869a03f00a","content_hash":"sha256:a6c1693feab2a216d613a81da6bc2ea64dd1367c38afcc0d45a417fddef9b6af","supersedes":null,"origin":null,"body":{"quantity":"total reactions on issues in theme","value":250,"conditions":{"theme":"input_workflow_ui","set":"held-out"},"run":"RN7","source":"results.json"}}
{"seq":153,"id":"RS117","type":"result","at":"2026-11-05T12:04:36Z","by":"AC2","prev":"sha256:a6c43eddc569400621b302e3c31cf870219c11197544419b2147da9f03d364c0","content_hash":"sha256:4266dfd486b4b912814fe5962e678233e216910f1e3591174f8e07016de11bab","supersedes":null,"origin":null,"body":{"quantity":"total comments on issues in theme","value":882,"conditions":{"theme":"input_workflow_ui","set":"held-out"},"run":"RN7","source":"results.json"}}
{"seq":154,"id":"ST1","type":"status","at":"2026-11-05T12:04:44Z","by":"AC2","prev":"sha256:91ec643fb8d3cf0900a5f4c88ddaad4f279c59deb179f0b2a163619fb836cd1b","content_hash":"sha256:35a8332760e0631976f8b408787c9ce290db87d53d93853d3db7ba7fa57ae77d","supersedes":null,"origin":null,"body":{"target":"H1","to":"supported","rationale":"Rule of PL3: s = 0.0459 < threshold 0.10 on the held-out set (RN6).","evidence":["RS47"],"plan":"PL3"}}
{"seq":155,"id":"ST2","type":"status","at":"2026-11-05T12:04:44Z","by":"AC2","prev":"sha256:46bb12fa155c6d0a00d64a3c3ec23e7636426dd14873b05349d44f0596713082","content_hash":"sha256:3f75566ea71f393677a3b5efcf4c472efbcd5f8c2b206596f4d0051887aa3c4b","supersedes":null,"origin":null,"body":{"target":"H2","to":"not_supported","rationale":"Rule of PL2: notation and engraving had 215 reactions; input, workflow and UI had 250 (and playback 185), so n <= ui.","evidence":["RS84","RS88","RS92","RS96","RS100","RS104","RS108","RS112","RS116"],"plan":"PL2"}}
{"seq":156,"id":"NT6","type":"note","at":"2026-11-05T12:04:44Z","by":"AC2","prev":"sha256:b7ab57dc7e6381d79a1603d3a418c48183f6a95a091adb8aab6f97ec33bceda6","content_hash":"sha256:f5d41fa27500aff469ba47c78b1aa309afe181866a340bc2a32be84a3c659d83","supersedes":null,"origin":null,"body":{"text":"Both deciding runs carry the flag 'holdout used elsewhere': the held-out file was written by the split run RN3 (which reported only counts) and was then used by both RN6 and RN7. RN7 repeats RN6's computation under the second plan; one plan per hypothesis was used because a plan carries a single decision rule. Classifier limitation: keyword rules match incidental words in issue bodies, so theme counts measure keyword-defined themes, not hand-coded topics.","refers_to":["RN6","RN7"]}}
{"seq":157,"id":"AC3","type":"actor","at":"2026-11-05T12:09:44Z","by":"AC2","prev":"sha256:dee6a27a7d58aaf7ca8dc7b5ab3bbb39d0d152307278c66c3a6df426383d9503","content_hash":"sha256:c985cef9082a390fc43d8711024b727c0df701b0404d5a6b028377b2d2466fe7","supersedes":"AC1","origin":null,"body":{"kind":"human","name":"Ivan Svetunkov","orcid":"0000-0001-7826-0281"}}