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A# Diminished Piano Chord

Root
A#
Min 3rd
C#
b 5th
E
PLAY
→
←
E
G
B
D
F
F
A
C
E
A#
C#
E

The Notes in an A# Diminished Chord

The Root

This is one is easy. All you have to do to find the root of a chord is look at the name of the chord. It's the first part of the name! If it's an A# Diminished chord, the root is A#!

The Min 3rd

The minor third of an A# Diminished chord is C#. The minor third is up three half-steps from the Root.

Finding C# from A# step by step:

  • Start on: A#
  • Step 1: move up to B
  • Step 2: move up to B#
  • Step 3: Land on C#
Min 3rd
C#
Root
A#
1
2
PLAY
  • B is a minor second above A#.
  • B# is a major 2nd above A#.
  • C# is a minor third above A#.

The b 5th

The flat fifth of an A# Diminished chord is E. 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 E from A# step by step:

  • Start on: A#
  • Step 1: move down to GX
  • Step 2: move down to G#
  • Step 3: move down to FX
  • Step 4: move down to F#
  • Step 5: move down to E#
  • Step 6: Land on E
b 5th
E
Root
A#
1
2
3
4
5
PLAY
  • GX is a minor second below A#.
  • G# is a major 2nd below A#.
  • FX is a minor third below A#.
  • F# is a major third below A#.
  • E# is a fourth below A#.
  • E is a flat fifth below A#.

The Inversions of A# Diminished

Root Position

Root
A#
Min 3rd
C#
b 5th
E
PLAY
E
G
B
D
F
F
A
C
E
A#
C#
E

1st Inversion

Min 3rd
C#
b 5th
E
Root
A#
PLAY
E
G
B
D
F
F
A
C
E
C#
E
A#

2nd Inversion

b 5th
E
Root
A#
Min 3rd
C#
PLAY
E
G
B
D
F
F
A
C
E
E
A#
C#

Other Diminished Chords

Cdim, C#dim, Dbdim, Ddim, D#dim, Ebdim, Edim, Fdim, F#dim, Gbdim, Gdim, G#dim, Abdim, Adim, A#dim, Bbdim, Bdim

See all diminished chords

Other A# Chords

A#, A#m, A#dim, A#+, A#M7, A#m7, A#7, A#dim7

See a list of 34 A# chords