Bdim7 Piano Chord

Bdim7

B Diminished 7th (with Flat 5th)

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

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

The Min 3rd

Finding D from B step by step:

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

The b 5th

Finding F from B step by step:

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

The Maj 6th

Finding G# from B step by step:

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