A drum sequencer.
- 't' - toggle fullscreen
- 'h' - print this help message
- 'q' - quit visualization
- 'd' and 'k' - adjust beat length
- [UP/DOWN ARROW] - adjust BPM
-
- 'l' and 's' - cycle through tracks
- 'a' - toggle metronome
- [SPACE BAR] - toggle recording
- 'j' - play note