Construction
A♯ Minor 13th = Root + Minor 3rd + Perfect 5th + Minor 7th + Major 2nd + Perfect 4th + Major 6th = A♯, C♯, E♯, G♯, B♯, D♯, F♯♯
| Note | Interval | Degree |
|---|---|---|
| A♯ | Root | 1 |
| C♯ | Minor 3rd | ♭3 |
| E♯ | Perfect 5th | 5 |
| G♯ | Minor 7th | ♭7 |
| B♯ | Major 2nd | 9 |
| D♯ | Perfect 4th | 11 |
| F♯♯ | Major 6th | 13 |
Key Signature
A chord has no key signature of its own, but the A♯ Minor 13th is the tonic (i) chord of A♯ Minor, which shares the signature of its relative major, C♯ Major: 7 sharps (F♯, C♯, G♯, D♯, A♯, E♯, B♯).
F♯C♯G♯D♯A♯E♯B♯
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of A♯ Minor
These are the triads built on each degree of A♯ Minor:
Scales That Include the A♯ Minor 13th
- Ab Major (ii)
- F Minor (iv)
- Bb Dorian (i)
- C Phrygian (vii)
- Db Lydian (vi)
- Eb Mixolydian (v)
- F Aeolian (iv)
- G Locrian (iii)
Same Notes, Other Names
The notes A♯ – C♯ – E♯ – G♯ – B♯ – D♯ – F♯♯ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell the following:
A♯ Minor 13th : Frequently Asked Questions
What is the A♯ Minor 13th chord on piano?
The A♯ Minor 13th chord contains the notes A♯ – C♯ – E♯ – G♯ – B♯ – D♯ – F♯♯. On piano, play these notes together to sound the chord.
What is the A# piano chord?
The A# piano chord (written A♯ Minor 13th) uses the same keys: A♯ – C♯ – E♯ – G♯ – B♯ – D♯ – F♯♯. The # and ♯ symbols name the same black key.
What notes are in the A# Minor 13th chord?
A# Minor 13th is built from the A# root. Check the interactive keyboard above for exact notes and fingering.
How is the A# Minor 13th chord used in music?
A# Minor 13th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Minor 13th).
What is the fingering for A# Minor 13th?
See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.
What are the inversions of A# Minor 13th?
Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.