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Exotic / World Also known as Byzantine

C♯ / D♭ Double Harmonic Major

NOTES
C♯ D F F♯ G♯ A C C♯
SCALE FORMULA
1 – ♭2 – 3 – 4 – 5 – ♭6 – 7
ABOUT THIS SCALE

An exotic major scale with both a flat second and flat sixth. It has a dramatic Middle Eastern and Eastern European character.

GUITAR FRETBOARD

C♯ / D♭ Double Harmonic Major

Standard tuning — E A D G B E — open through fret 24.

Scale note Root Click any note to hear it.
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Playback: The scale follows a practical two-octave route across nearby strings and frets. The note currently sounding turns bright white.
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Chord progression ideas

Key of C♯ / D♭

Byzantine Vamp

I – ♭II – I
C♯ → D → C♯

The immediate half-step movement strongly exposes the scale's exotic flat-second character.

Double Harmonic Journey

I – ♭II – iv – I
C♯ → D → F♯m → C♯

A dramatic progression that retains several of the scale's most characteristic tones.