Ab Diminished Piano Chord

Root
Ab
Min 3rd
Cb
b 5th
D
E
G
B
D
F
F
A
C
E
Ab
Cb
D

The Notes in an Ab Diminished Chord

The Root

The root of the chord is always the easiest to find because it's in the name of the chord! The root of an Ab Diminished chord is Ab.

The Min 3rd

The minor third of an Ab Diminished chord is Cb. The minor third is up three half-steps from the Root.

Finding Cb from Ab step by step:

  • Start on: Ab
  • Step 1: move up to A
  • Step 2: move up to Bb
  • Step 3: Land on Cb
Min 3rd
Cb
Root
Ab
1
2
  • A is a minor second above Ab.
  • Bb is a major 2nd above Ab.
  • Cb is a minor third above Ab.

The b 5th

The flat fifth of an Ab Diminished chord is D. The flat fifth is down six half-steps from the Root -- but it's easier to just think of it as a variation on the fifth. Once you know your fifths, the flat fifth and sharp fifth are a lot easier to find.

Finding D from Ab step by step:

  • Start on: Ab
  • Step 1: move down to G
  • Step 2: move down to Gb
  • Step 3: move down to F
  • Step 4: move down to E
  • Step 5: move down to Eb
  • Step 6: Land on D
b 5th
D
Root
Ab
1
2
3
4
5
  • G is a minor second below Ab.
  • Gb is a major 2nd below Ab.
  • F is a minor third below Ab.
  • E is a major third below Ab.
  • Eb is a fourth below Ab.
  • D is a flat fifth below Ab.

The Inversions of Ab Diminished

Root Position

Root
Ab
Min 3rd
Cb
b 5th
D
E
G
B
D
F
F
A
C
E
Ab
Cb
D

1st Inversion

Min 3rd
Cb
b 5th
D
Root
Ab
E
G
B
D
F
F
A
C
E
Cb
D
Ab

2nd Inversion

b 5th
D
Root
Ab
Min 3rd
Cb
E
G
B
D
F
F
A
C
E
D
Ab
Cb

Other Ab Chords