C# Persian scale

A major-based scale with lowered 2nd, 5th and 6th degrees; the diminished 5th increases instability.

Octaves

Musical context

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

Theory

General info

Name
C# Persian scale
Family
Exotic scales
Note count
7
Step formula
H – W+H – H – H – W – W+H – H
Numeric formula
0-1-3-1-1-2-3-1

Notes & degrees

1C#root
b2Dminor 2nd
3E#major 3rd
4F#perfect 4th
b5Gdim 5th
b6Aminor 6th
7B#major 7th

Construction

Overview
A major-based scale with lowered 2nd, 5th and 6th degrees; the diminished 5th increases instability.
Application in music
Lowered 2nd and 6th degrees tend toward tonic-chord tones, while the lowered 5th removes the tonic’s perfect 5th.
Interval formula
C#
H
D
WH
E#
H
F#
H
G
W
A
WH
B#

Chords by degree

Tensions & resolutions

Stable degrees

IC#nominal centretonic
IIIE#defines modal qualitythird

Typical resolutions & tensions

VIIB#B#
IC#C#
In typical voice leading, the leading tone rises by semitone to tonic.
IIIE#E#
IVF#F#
In a dominant context, scale degree 4 normally descends by step to 3.
IC#C#
IIDD
Scale degree 2 may descend to tonic; the motion is especially close when degree 2 is lowered.

This scale on guitar 🎸

See how C# Persian scale 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#mDbBbmAbFmEbCmBbGmFDmDbmajor
Relative key
Dominant
Subdominant
Key signature
5 flats (Bb, Eb, Ab, Db, Gb)

Connections

Practice

Keyboard Trainer

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

Open Trainer

Frequently Asked Questions