Piano chords › A♯ diminished 7th

A♯ diminished 7th chord

Symbol: A♯dim7 · Notes: A♯ – C♯ – E – G

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

• A♯: root
• C♯: minor third
• E: diminished fifth
• G: diminished seventh

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

Its inversions

• Root position: A♯ – C♯ – E – G
• 1st inversion: C♯ – E – G – A♯
• 2nd inversion: E – G – A♯ – C♯
• 3rd inversion: G – A♯ – C♯ – E

In which keys

• VII in B harmonic minor

Other A♯ chords

B♭ · B♭m · B♭7 · B♭maj7 · B♭m7 · B♭sus2 · B♭sus4 · A♯dim · B♭+ · B♭6 · B♭m6 · B♭add9 · A♯m7♭5

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