C m(maj7)(b5)/A#
The C m(maj7)(b5) chord consists of the C (Perfect unison), D# (Minor third), F# (Diminished fifth) and B (Major seventh) notes, with A# as the bass note.
(flat5)_Asharp.png)
How to play the C m(maj7)(b5)/A# chord
- Play A# as the lowest bass note in the left hand
- Find C (Root) on the piano keyboard
- Add D# (Minor third) — 3 semitones above C
- Add F# (Diminished fifth) — 6 semitones above C
- Add B (Major seventh) — 11 semitones above C
- Press all 5 notes simultaneously to sound the C m(maj7)(b5)/A# chord