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Chord
Major
Minor
Diminished
Augmented
Major 7
Minor 7
Dominant 7
Half-diminished 7
Minor-major 7
Augmented major 7
Diminished 7
Root
C
B♯
C♯
D♭
D
E♭
D♯
E
F♭
F
E♯
F♯
G♭
G
A♭
G♯
A
B♭
A♯
B
C♭
Extensions:
♭9
9
♯9
11
♯11
♭13
13
A♭+
Root, major third, augmented fifth. Symmetric and ambiguous — every note can act as the root.
3
C
♯5
E
3
C
♯5
E
1
A♭
1
A♭
Notes
1
A♭
3
C
♯5
E
Scales containing this chord
Harmonic Minor
D♭
5
F
♭3
A
7
Melodic Minor
D♭
5
F
♭3
A
7