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A music re-performance system allows a plurality of untrained instrumentalist to play pre-stored music using traditional playing techniques along with an automatic accompaniment at a tempo controlled by a selected-instru mentalist. Instrumentalist’s gestures start and stop prc-stored score notes and temporal restrictions limit gestural timing errors. Expression parameters, including volume, timbre, and vibrato, are selectively updated, allowing editing of music sound? les. A? nger manipulation and energy driver controller model, including transducers and signal process ing, accommodates wind and string instruments. Temporal masking prevents substantially concurrent? nger and energy gestures, intended as simultaneous, from producing multiple false gestures.