C#dim7 Piano Chord

C#dim7

C# Diminished 7th (with Flat 5th)

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

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

The Min 3rd

Finding E from C# step by step:

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

The b 5th

Finding G from C# step by step:

  • Start on: C#
  • Step 1: move up to D
  • Step 2: move up to D#
  • Step 3: move up to E
  • Step 4: move up to E#
  • Step 5: move up to F#
  • Step 6: Land on G
b 5th
G
Root
C#
1
2
3
4
5
  • D is a minor second above C#.
  • D# is a major 2nd above C#.
  • E is a minor third above C#.
  • E# is a major third above C#.
  • F# is a fourth above C#.
  • G is a flat fifth above C#.

The Maj 6th

Finding A# from C# step by step:

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