A# Augmented Heptatonic Guitar Scale
Guitar scale in Half Step Down tuning — fretboard diagram
A# Augmented Heptatonic in Half Step Down — Notes and Intervals
The A# Augmented Heptatonic scale is a seven-note expansion of the augmented scale. On Guitar, it contains the notes A#, B##, D, D#, F, E##, A. It provides maximum chromatic tension and is an ideal tool for creating high-drama resolutions in minor-key compositions. Commonly used in Jazz, Classical, Film Scores. Notable players include Oliver Nelson, Wayne Shorter. Use over augmented and Maj7#5 chords in jazz. A dramatic coloring tool for resolutions.
Notes: A#, B##, D, D#, F, E##, A
Intervals: 1P, 2A, 3M, 4P, 5P, 5A, 7M
Degrees: 1 #2 3 4 5 #6 7
Formula: WH-H-H-W-H-WH-H
Number of notes: 7
Tuning: Half Step Down (Eb-Ab-Db-Gb-Bb-Eb)
About Half Step Down Tuning
Eb Standard tuning lowers every string by one half step (Eb-Ab-Db-Gb-Bb-Eb), producing a slightly darker, heavier tone while keeping all standard chord shapes and scale patterns intact. This tuning has been the default for some of the greatest guitarists in rock and blues history, including Jimi Hendrix, Stevie Ray Vaughan, and Slash.
The half-step drop reduces string tension, making bending easier and giving a warmer, slightly thicker tone. For vocalists, the lower pitch can make singing more comfortable. Jimi Hendrix tuned to Eb on virtually all of his recordings — from 'Voodoo Child (Slight Return)' to 'Little Wing'. Stevie Ray Vaughan paired Eb tuning with very heavy strings to create his legendary thick tone on classics like 'Pride and Joy' and 'Texas Flood'. Slash used Eb for most Guns N' Roses recordings including 'Sweet Child O' Mine' and 'November Rain'. Alice in Chains also recorded extensively in Eb Standard.
Notable artists: Jimi Hendrix, Stevie Ray Vaughan, Slash (Guns N' Roses), Alice in Chains, Nirvana
Best for: Blues-rock, classic rock, and any style where you want easier bending, slightly darker tone, and full compatibility with standard tuning shapes
Musical Character
A 7-note expansion of the augmented scale that provides maximum chromatic tension — ideal for creating high-drama minor-key resolutions.
Explore This Scale in Other Tunings
- A# Augmented Heptatonic in Standard Tuning
- A# Augmented Heptatonic in Drop D
- A# Augmented Heptatonic in DADGAD
- A# Augmented Heptatonic in Open G
- A# Augmented Heptatonic in Baritone (B Standard)
- A# Augmented Heptatonic in 7-string
- A# Augmented Heptatonic in 8-string
- A# Augmented Heptatonic in Drop C
- A# Augmented Heptatonic in Drop B
- A# Augmented Heptatonic in Open D
- A# Augmented Heptatonic in Open E
- A# Augmented Heptatonic in Open A
- A# Augmented Heptatonic in Double Drop D
- A# Augmented Heptatonic in Open C