E0
Pitch
E1
Pitch
E2
Pitch
E3
Pitch
E4
Pitch
E5
Pitch
E6
Pitch
Eb0
Pitch
Eb1
Pitch
Eb2
Pitch
Eb3
Pitch
Eb4
Pitch
Eb5
Pitch
Eb6
Pitch
Eighth
Duration
EmptyScore
core
e
Pitch
Rest
extendPitch
StringAccum