A dynamically moving method of triggering musical notes that produces intricate, interwoven note sequences with ease as an aid to musicians. Notes that used to stand still while being played can now effectively move. Note events are programmed to generate or trigger positive or negative jumps in intervals of frequency relative to their current frequencies. Subsequent notes are referenced to each new current frequency on a note-by-note basis. Music controller interval producing events are arranged across the playing surface in helpful ways (12, 14, 16). The triggered notes may be artificially generated, instead of played by a musician. Using this technique complex, beautiful music can be coherently and easily produced. The technique generates a moving reference that may be applied to other useful musical functions. For instance, an input note event can silently move the reference to a new location. An input note event can also repeat the last interval, whatever it was. An input note event can further play a note relative to the current reference. The musician may weave in and out of tables that remap said interval values and other note functions, including complex chord production.

 
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> Beat analysis of musical signals

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