Ab 7♯9♯11

Notes:Ab – C – Eb – Gb – B – D
Formula:R-M3-P5-m7-A9-A11
Intervals:P1-M3-P5-m7-A9-A11
Scale Degrees:1-3-5-b7-#9-#11

Introduction

The Ab 7♯9♯11 piano chord (Ab7♯9♯11) consists of the notes Ab, C, Eb, Gb, B, D. Formula: R-M3-P5-m7-A9-A11 | Scale degrees: 1-3-5-b7-#9-#11.

Enharmonic equivalent: A♭ is enharmonically equivalent to G♯. See G# 7♯9♯11.

Notes

Notes:Ab – C – Eb – Gb – B – D

Ab 7♯9♯11 Inversions

PositionNotes
Root PositionAb4 – C5 – Eb5 – Gb5 – B5 – D6
1st InversionC4 – Eb4 – Gb4 – B4 – D5 – Ab5
2nd InversionEb4 – Gb4 – B4 – D5 – C6 – Ab5

Key Signature

The key of Ab 7♯9♯11 has 4 flats: B♭, E♭, A♭, D♭.

BEAD

Theory: Intervals

Formula: R-M3-P5-m7-A9-A11
Intervals: P1-M3-P5-m7-A9-A11

The Ab 7♯9♯11 is built by stacking intervals from the root note. The formula R-M3-P5-m7-A9-A11 describes the scale degrees used. The intervals P1-M3-P5-m7-A9-A11 show the distance between each note in the chord.

Ab 7♯9♯11 — Frequently Asked Questions

What notes are in the Ab 7♯9♯11 chord?

The Ab 7♯9♯11 chord (Ab7♯9♯11) contains 6 notes: Ab, C, Eb, Gb, B, D. Formula: R-M3-P5-m7-A9-A11.

How is Ab7♯9♯11 used in music?

Ab7♯9♯11 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 Ab7♯9♯11?

Ab7♯9♯11 uses scale degrees 1-3-5-b7-#9-#11, giving it its distinctive sound.

Practice Tips

  • Start by placing your thumb on Ab and spacing remaining fingers across the chord.
  • Practice Ab7♯9♯11 slowly with separate hands before combining.
  • Listen carefully to the tension created by the altered tones in this chord.
  • Try voicing Ab7♯9♯11 in different octaves to find the most comfortable position.
  • Resolve Ab7♯9♯11 to a nearby chord to hear its function in context.