# TODO

- formats
    - [ ] format 0
    - [ ] format 1
    - [ ] format 1

- meta events
    - [ ] sequence number
    - [ ] text
    - [ ] copyright
    - [ ] track name 
    - [ ] instrument name
    - [ ] lyric
    - [ ] marker
    - [ ] cue point
    - [ ] program name
    - [ ] device name
    - [ ] MIDI channel prefix
    - [ ] MIDI port
    - [ ] end of track
    - [ ] tempo
    - [ ] SMPTE offset
    - [ ] key signature
    - [ ] time signature
    - [ ] sequencer specific event

- midi events
    - [ ] note off
    - [ ] note on
    - [ ] polyphonic pressure
    - [ ] controller
    - [ ] program change
    - [ ] channel pressure
    - [ ] pitch bend

- sysex events
    - [ ] message
    - [ ] continuation
    - [ ] escape

- [ ] add to probe group