current chord
listening
raise both hands into their halves
your left
song moves
- fist
- I
- 1
- ii
- 2
- V
- 3
- vi
- 4
- IV
- open
- next
height = texture
lowmidhigh
your right
key
- fist
- rest
- open
- play
- inner
- prev key
- outer
- next key
- high
- louder
guide
put your right hand on the right half to play and steer keys. put your left hand on the left half to choose the song move. left hand high gets brighter; low gets simpler.