A# Minor 13th
Introduction
Enharmonic equivalent: A♯ is enharmonically equivalent to B♭. See Bb Minor 13th.
Notes
A# Minor 13th Inversions
| Position | Notes |
|---|---|
| Root Position | A#4 – C#5 – F5 – G#5 – C6 – G6 – D#6 |
| 1st Inversion | C#5 – F5 – G#5 – A#5 – C6 – G6 – D#6 |
| 2nd Inversion | F5 – G#5 – A#5 – C6 – G6 – C#6 – D#6 |
Key Signature
The key of A# Minor 13th has 7 sharps: F♯, C♯, G♯, D♯, A♯, E♯, B♯.
Theory: Intervals
The A# Minor 13th is built by stacking intervals from the root note. The formula R-m3-P5-m7-M9-P11-M13 describes the scale degrees used. The intervals P1-m3-P5-m7-M9-P11-M13 show the distance between each note in the chord.
A# Minor 13th — Frequently Asked Questions
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.
Practice Tips
- The fullest extended chord — includes the 13th.
- Drop the 11th and sometimes the 5th.
- Rich, complex jazz sound.
- Compare with the 9th version.
- Jazz big band voicing.
- The 13th adds warmth on top.