Piano chords › B diminished 7th

B diminished 7th chord

Symbol: Bdim7 · Notes: B – D – F – A♭

Three minor thirds stacked: the chord is symmetrical, it splits the octave into four equal parts. Very tense, it serves as a passing chord or in place of the dominant.

How it is built

• B: root
• D: minor third
• F: diminished fifth
• A♭: diminished seventh

Fingering: right hand 1 2 3 5, left hand 5 3 2 1 (1 = thumb, 5 = pinky).

Its inversions

• Root position: B – D – F – A♭
• 1st inversion: D – F – A♭ – B
• 2nd inversion: F – A♭ – B – D
• 3rd inversion: A♭ – B – D – F

In which keys

• VII in C harmonic minor

Other B chords

B · Bm · B7 · Bmaj7 · Bm7 · Bsus2 · Bsus4 · Bdim · B+ · B6 · Bm6 · Badd9 · Bm7♭5

Learn chords step by step with the free course