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sequencer is a groovebox to create own sounds, patterns, and songs.

Screenshot of the application with shown areas of sequencer controls, track selection (4 tracks), sequencing trigger, track and trigger controls

It includes a sequencer with 1 to 4 tracks which have individual synth and sampler possibilites, effects, and settings.

Each track includes 16 steps which can be controlled specifically one by one.


You can play the squencer at the demo page.

Project setup

yarn install

Compiles and hot-reloads for development

yarn serve

Compiles and minifies for production

yarn build


  • Parallel execution of multiple tracks
  • Tracks with individual effects
  • Trigger specific controls
  • MIDI Input support
  • Track length up to 64 steps
  • Sampling of custom sounds
  • Track controls like muting
  • Effect controls over all tracks
  • Storing and Loading created patterns
  • Sample Library
  • Trigger specific sound controls like individual synth or samples