Synchronization of Timing and Motion Among Performing Musicians
Bibliographic record
Abstract
WE INVESTIGATED INFLUENCES OF AUDITORY FEEDBACK, musical role, and note ratio on synchronization in ensemble performance. Pianists performed duets on a piano keyboard; the pianist playing the upper part was designated the leader and the other pianist was the follower. They received full auditory feedback, one-way feedback (leaders heard themselves while followers heard both parts), or self-feedback only. The upper part contained more, fewer, or equal numbers of notes relative to the lower part. Temporal asynchronies increased as auditory feedback decreased: The pianist playing more notes preceded the other pianist, and this tendency increased with reduced feedback. Interonset timing suggested bidirectional adjustments during full feedback despite the leader/follower instruction, and unidirectional adjustment only during reduced feedback. Motion analyses indicated that leaders raised fingers higher and pianists' head movements became more synchronized as auditory feedback was reduced. These findings suggest that visual cues became more important when auditory information was absent.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".