Abdim7 Piano Chord

Abdim7

Ab Diminished 7th (with Flat 5th)

Root
Ab
Min 3rd
Cb
b 5th
D
Maj 6th
F
E
G
B
D
F
F
A
C
E
Ab
Cb
D
F

The Notes in a Ab Diminished 7th (with Flat 5th) Chord

The Min 3rd

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

Finding D from Ab step by step:

  • Start on: Ab
  • Step 1: move up to A
  • Step 2: move up to Bb
  • Step 3: move up to Cb
  • Step 4: move up to C
  • Step 5: move up to Db
  • Step 6: Land on D
b 5th
D
Root
Ab
1
2
3
4
5
  • A is a minor second above Ab.
  • Bb is a major 2nd above Ab.
  • Cb is a minor third above Ab.
  • C is a major third above Ab.
  • Db is a fourth above Ab.
  • D is a flat fifth above Ab.

The Maj 6th

Finding F from Ab step by step:

  • Start on: Ab
  • Step 1: move down to G
  • Step 2: move down to Gb
  • Step 3: Land on F
Maj 6th
F
Root
Ab
1
2
  • G is a minor second below Ab.
  • Gb is a major 2nd below Ab.
  • F is a minor third below Ab. The maj 6th is down a minor third? Confusing, right? The note F is down 3 half-steps from Ab, but up 9 half-steps from Ab:
Maj 6th
F
Root
Ab
1
2
3
4
5
6
7
8