PETAPORON is a minimalistic piano roll sequencer.
Compose a song and export it to mp3!

(note: if shortcut doesn't works, try to reload the page)

  • space: start/stop playback
  • left arrow: navigate one bar forward
  • right: navigate one bar back
  • alt+left: go to the start of the song
  • backspace / delete: delete selection
  • cmd+z: undo
  • shift+cmd+z: redo 
  • cmd+x: cut selection
  • cmd+c: copy selection
  • cmd+v: paste
  • cmd+s: save song data to a text file (to reload it: drag&drop this file on Petaporon)
  • cmd+e: export song to mp3
  • cmd+n: new song

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