A# Phrygian

A minor diatonic mode with a minor 2nd above the tonic; a compact, tense sound.

Octaves

Musical context

How the mode relates to the scale, chord, key and progression.

Theory

General info

Name
A# Phrygian
Family
Diatonic modes
Note count
7
Step formula
H – W – W – W – H – W – W

Notes & degrees

1A#root
b2Bminor 2nd
b3C#minor 3rd
4D#perfect 4th
5E#perfect 5th
b6F#minor 6th
b7G#minor 7th

Characteristic degrees

IIBlowered 2nd degree

Construction

Overview
A minor diatonic mode with a minor 2nd above the tonic; a compact, tense sound.
Application in music
The bII – i move emphasises the lowered 2nd; the mode appears in flamenco and riff-based modal music.
Interval formula
A#
H
B
W
C#
W
D#
W
E#
H
F#
W
G#
Reference mode
A# Aeolian

A# Aeolian

IA#
IIB#
IIIC#
IVD#
VE#
VIF#
VIIG#

A# Phrygian

IA#
IIB
IIIC#
IVD#
VE#
VIF#
VIIG#

How the mode is built

Position in the system
Degree 3 of the parent major scale

Sibling modes

Chords by degree

Tensions & resolutions

Stable degrees

IA#point of resttonic
IIIC#defines modal qualitythird
VE#supports the tonic sonorityfifth

Typical resolutions & tensions

IIIC#C#
IVD#D#
In a dominant context, scale degree 4 normally descends by step to 3.
IA#A#
IIBB
Scale degree 2 may descend to tonic; the motion is especially close when degree 2 is lowered.

This mode on guitar 🎸

See how A# Phrygian looks on guitar.

Explore

Circle of fifths

The major key on the same tonic and its neighbouring keys on the circle of fifths.

CAmGEmDBmAF#mEC#mBG#mF#D#mDbBbmAbFmEbCmBbGmFDmBbmajor
Relative key
Dominant
Subdominant
Key signature
2 flats (Bb, Eb)

Connections

Practice

Keyboard Trainer

Reinforce it in practice — play and name notes on the interactive keyboard.

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Frequently Asked Questions