The number of dots, which affects the duration.
The time length (e.g., q for quarter, h for half, 8 for eighth etc.).
q
h
8
Array of pitches, e.g: ['c/4', 'e/4', 'g/4']
['c/4', 'e/4', 'g/4']
Stem.UP or Stem.DOWN.
Stem.UP
Stem.DOWN
The note type (e.g., r for rest, s for slash notes, etc.).
r
s
The number of dots, which affects the duration.