A# 7♭5♯9
Notes:A# – D – E – G# – C#
Formula:R-M3-d5-m7-A9
Intervals:P1-M3-d5-m7-A9
Scale Degrees:1-3-b5-b7-#9
Introduction
The A# 7♭5♯9 piano chord (A#7♭5♯9) consists of the notes A#, D, E, G#, C#. Formula: R-M3-d5-m7-A9 | Scale degrees: 1-3-b5-b7-#9.
Enharmonic equivalent: A♯ is enharmonically equivalent to B♭. See Bb 7♭5♯9.
Notes
A# 7♭5♯9 Inversions
| Position | Notes |
|---|---|
| Root Position | A#4 – D5 – E5 – G#5 – C#6 |
| 1st Inversion | D4 – E4 – G#4 – C#5 – A#5 |
| 2nd Inversion | E4 – G#4 – C#5 – A#5 – D6 |
Key Signature
The key of A# 7♭5♯9 has Key signature data not available.
Theory: Intervals
Formula: R-M3-d5-m7-A9
Intervals: P1-M3-d5-m7-A9
The A# 7♭5♯9 is built by stacking intervals from the root note. The formula R-M3-d5-m7-A9 describes the scale degrees used. The intervals P1-M3-d5-m7-A9 show the distance between each note in the chord.
A# 7♭5♯9 — Frequently Asked Questions
What notes are in the A# 7♭5♯9 chord?
The A# 7♭5♯9 chord (A#7♭5♯9) contains 5 notes: A#, D, E, G#, C#. Formula: R-M3-d5-m7-A9.
How is A#7♭5♯9 used in music?
A#7♭5♯9 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for A#7♭5♯9?
A#7♭5♯9 uses scale degrees 1-3-b5-b7-#9, giving it its distinctive sound.
Practice Tips
- Start by placing your thumb on A# and spacing remaining fingers across the chord.
- Practice A#7♭5♯9 slowly with separate hands before combining.
- Listen carefully to the tension created by the altered tones in this chord.
- Try voicing A#7♭5♯9 in different octaves to find the most comfortable position.
- Resolve A#7♭5♯9 to a nearby chord to hear its function in context.