The A Minor 7♯5 chord is a four-note chord made up of A, C, E♯, and G.
Construction
| Note | Interval | Degree |
|---|---|---|
| A | Root | 1 |
| C | Minor 3rd | ♭3 |
| E♯ | Minor 6th | ♯5 |
| G | Minor 7th | ♭7 |
Key Signature
A chord has no key signature of its own, but the A Minor 7♯5 is the tonic (i) chord of A Minor, which shares the signature of its relative major, C Major — no sharps or flats.
Chords in the Key of A Minor
These are the triads built on each degree of the A minor scale:
Same Notes, Other Names
The notes A – C – E♯ – G aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell: