Even Division

Decompose a drum beat into maximally even sets. Each drum voice is approximated by a union of Clough–Douthett ME sets on the cycle ℤ_n.

Clough & Douthett,
“Maximally Even Sets,”
J. Music Theory 35 (1991) 93–173

Sets per drum — M

Beat grid — n (target)

Tempo — BPM

120

Preset pattern

Source

Load MIDI…

Transport

Hear

Status

Default rock beat loaded · n=16

beat onset — landed on (ME within ½ step) beat onset — drifted (nearest ME is off-grid) instrument's own grid ℤ_nᵢ & produced onsets rings coloured by set · inner rings sit on the instrument grid

he plays whatever you have selected under “Hear”

Drum tab