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C♯ double harmonic scale

The C♯ double harmonic scale is made of the notes C♯, D, E♯, F♯, G♯, A, B♯. It has 7 notes; compared with the major scale its formula is 1 ♭2 3 4 5 ♭6 7.

Other scales · 7 notes

Note names
  1. 1C♯
  2. ♭2D
  3. 3E♯
  4. 4F♯
  5. 5G♯
  6. ♭6A
  7. 7B♯

PatternH – W+H – H – W – H – W+H – H(W = whole step, H = half step)

Scales from modern jazz and from traditions other than the European one. Degrees are shown relative to the major scale: ♭3 is the third lowered by a half step, ♯4 the fourth raised.

Open in the scale finder

Mode and chords

Minor 2nd and major 7th, each followed by a step and a half: two augmented seconds. It sounds Arabic and Byzantine, and is found in Middle Eastern and Romani music.

Used overC♯maj7C♯maj7♯5

Put it into practice

The scale played in thirds over one octave: one of the exercises MEG generates from this scale.

This scale is not part of the demo: in the MEG app you will find it in every key, with 24 patterns.

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Frequently asked questions

What are the notes of the C♯ double harmonic scale?
The notes are C♯, D, E♯, F♯, G♯, A, B♯.
What is the pattern of the C♯ double harmonic scale?
The sequence of steps is H – W+H – H – W – H – W+H – H (W = whole step, H = half step); compared with the major scale the degrees are 1 ♭2 3 4 5 ♭6 7.
Which chords is the C♯ double harmonic scale used over?
It is used over C♯maj7, C♯maj7♯5: the chords on the tonic made of the notes of the scale.

Texts and tools by , professional musician and developer. Last updated: October 9, 2026.