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Nocturne
Scales
Chords
Practice
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MIDI
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Ab9
Bb9
Chord
A
9
9th
▶ Play chord
Arpeggio
Type to play
A S D F G H J K
Z ↓
Oct 4
X ↑
Sustain OFF · Space
F
G
A
J
K
L
E
G
B
T
Y
U
C#
P
Notes
A
C#
E
G
B
Intervals
0
— Unison
4
— Major 3rd
7
— Perfect 5th
10
— Minor 7th
14
— Major 2nd
Formula
R +4 +7 +10 +14
Category: extended