A# Augmented 7th
Introduction
Enharmonic equivalent: A♯ is enharmonically equivalent to B♭. See Bb Augmented 7th.
Notes
A# Augmented 7th Inversions
| Position | Notes |
|---|---|
| Root Position | A#4 – D5 – F#5 – G#5 |
| 1st Inversion | D5 – F#5 – G#5 – A#5 |
| 2nd Inversion | F#5 – G#5 – A#5 – D6 |
| 3rd Inversion | A#4 – D5 – F#5 – G#4 |
Key Signature
The key of A# Augmented 7th has Key signature data not available.
Theory: Intervals
The A# Augmented 7th is built by stacking intervals from the root note. The formula R-M3-A5-m7 describes the scale degrees used. The intervals P1-M3-A5-m7 show the distance between each note in the chord.
A# Augmented 7th — Frequently Asked Questions
What notes are in the A# Augmented 7th chord?
A# Augmented 7th is built from the A# root. Check the interactive keyboard above for exact notes and fingering.
How is the A# Augmented 7th chord used in music?
A# Augmented 7th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Augmented 7th).
What is the fingering for A# Augmented 7th?
See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.
What are the inversions of A# Augmented 7th?
Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.
Practice Tips
- Dominant with raised fifth.
- Resolves to the tonic.
- Whole-tone scale colour.
- Jazz altered dominant.
- Compare with A#7 and A#aug.
- Creates forward motion.