v1.6.0

Step sequencer

Schedule a 16-step melody against the audio clock.

npx web-audio-api sequencer bpm=140 -d 10s
bpm=<number>
tempo
pat=<steps>
comma-separated note names, - or . rests
-d, --duration <time>
run time (CLI accepts s/m/h suffixes; default: 1.75s)
ready

Other examples

30Twelve-toneGenerate pointillistic music from prime, retrograde, inverse, and retrograde-inverse rows.Create 31GamelanSchedule interlocking slendro patterns with metalophone partials and gong structure.Create 32JazzGenerate a jazz performance in a chosen style, modal to bossa, with bass, comping, drums, and an improvised lead on guitar, flute, harp, or piano.Create 33Euclidean rhythmsDrive 2-3 percussion voices from Bjorklund Euclidean rhythms, each with its own step and pulse count.Create

This is an online step sequencer: a 16-step melody is scheduled precisely against the audio clock rather than a JavaScript timer. Run it in the browser at any bpm, or render the same scheduled sequence from the Node CLI.