Piano chord · Sevenths
A♯ half-diminished 7th chord on piano
Right hand: A♯ (1), C♯ (2), E (3), G♯ (5)
How to play A♯m7♭5 on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.
Dark and unresolved; often the ii chord in a minor key.
A♯m7♭5 is the viiø7 chord in B major. In minor keys: iiø7 in G♯ minor.
- Notes
- A♯C♯EG♯
- Formula
- 1♭3♭5♭7
- Built from
- root · minor 3rd · diminished 5th · minor 7th
Piano
Root position · numbers are finger numbers
How to play it
Right handA♯1 · thumbC♯2 · indexE3 · middleG♯5 · 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♯m7♭5 on piano
On piano, A♯m7♭5 has three black keys (A♯, C♯ and G♯) and one white key.
