Piano chord · Sevenths
A♯ diminished 7th chord on piano
Right hand: A♯ (1), C♯ (2), E (3), G (5)
How to play A♯dim7 on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.
Symmetrical and very tense — every note is a minor 3rd apart.
A♯dim7 is the vii°7 chord in B minor.
- Notes
- A♯C♯EG
- Formula
- 1♭3♭5𝄫7
- Built from
- root · minor 3rd · diminished 5th · diminished 7th
Piano
Root position · numbers are finger numbers
How to play it
Right handA♯1 · thumbC♯2 · indexE3 · middleG5 · pinky
Left handA♯5 · pinkythe root, an octave lower
Finger numbers: 1 thumb · 2 index · 3 middle · 4 ring · 5 pinky. Inversions use the same notes with a different one on the bottom — they help you move smoothly between chords. Tap any key to hear it.
Tips for playing A♯dim7 on piano
On piano, A♯dim7 has two black keys (A♯ and C♯) and two white keys.