A# Lydian augmented
The 3rd mode of melodic minor, with augmented 4th and 5th above the tonic; a tense major sound for maj7#5 chords.
Octaves
Musical context
How the scale relates to the chord, mode, key and progression.
Theory
General info
- Name
- A# Lydian augmented
- Family
- Melodic scales
- Note count
- 7
- Step formula
- W – W – W – W – H – W – H
- Numeric formula
- 0-2-2-2-2-1-2-1
Notes & degrees
1A#root
2B#major 2nd
3Dmajor 3rd
#4Eaug 4th
#5F#aug 5th
6Gmajor 6th
7Amajor 7th
Construction
- Overview
- The 3rd mode of melodic minor, with augmented 4th and 5th above the tonic; a tense major sound for maj7#5 chords.
- Application in music
- The third degree of melodic minor. Sits over maj7#5 chords.
- Interval formula
- A#WB#WDWEWF#HGWA
Chords by degree
Tensions & resolutions
Stable degrees
IA#nominal centretonic
IIIDdefines modal qualitythird
Typical resolutions & tensions
VIIAA
IA#A#
In typical voice leading, the leading tone rises by semitone to tonic.
IA#A#
IIB#B#
Scale degree 2 may descend to tonic; the motion is especially close when degree 2 is lowered.
This scale on guitar 🎸
See how A# Lydian augmented looks on guitar.
Circle of fifths
The major key on the same tonic and its neighbouring keys on the circle of fifths.
Connections
Practice
Keyboard Trainer
Reinforce it in practice — play and name notes on the interactive keyboard.