About the C sharp Phrygian b4 scale
C sharp Phrygian b4 is used for metal, film scoring and tense modal writing. Think of it as a phrygian scale with its fourth lowered, extra dark.
Its notes are C♯, D, E, F, G♯, A, and B. The formula is H W H 1½ H W W. It is the third mode of A Harmonic Major.
The black keys C♯ and G♯ belong to the scale.
Chords in the key of C sharp Phrygian b4
Expand a chord to see how to play it.
i C sharp minor
C sharp minor over E (1st inversion)
ii D minor
D minor over F (1st inversion)
III E
E over G sharp (1st inversion)
IV+ F augmented
F augmented over A (1st inversion)
v° G sharp diminished
G sharp diminished over B (1st inversion)
VI A
A over C sharp (1st inversion)
vii° B diminished
B diminished over D (1st inversion)
Seventh chords in C sharp Phrygian b4
The four-note version of each chord, richer and jazzier.
i C sharp minor seven
C sharp minor seven
ii D minor major seven
D minor major seven
III E seven
E seven
IV+ F major seven sharp five
F major seven sharp five
v° G sharp diminished seven
G sharp diminished seven
VI A major seven
A major seven
vii° B minor seven flat five
B minor seven flat five
Progressions in C sharp Phrygian b4
Tap any chord to hear it, or play the whole progression.
Notes and intervals
| 1 | C#C♯ | Root |
|---|---|---|
| 2 | DD | Minor 2nd |
| 3 | EE | Minor 3rd |
| 4 | FF | Diminished 4th |
| 5 | G#G♯ | Perfect 5th |
| 6 | AA | Minor 6th |
| 7 | BB | Minor 7th |
| Steps | H W H 1½ H W W |
|---|---|
| Semitones | 1-2-1-3-1-2-2 |
| Degrees | 1 ♭2 ♭3 ♭4 5 ♭6 ♭7 |
Fingering
Suggested fingering, follows standard fingering rules
| Hand | C sharp | D | E | F | G sharp | A | B | C sharp |
|---|---|---|---|---|---|---|---|---|
| Right hand | 3 | 1 | 2 | 3 | 4 | 1 | 2 | 3 |
| Left hand | 4 | 3 | 2 | 1 | 3 | 2 | 1 | 4 |
Shapes
Chromatic
Circle of Fifths
Related scales
Phrygian b4 in other keys
Modes
The same notes, starting on a different note.