C♯ Double Harmonic
Major with ♭2 and ♭6 — Byzantine / Arabic / Hungarian Gypsy minor (parent scale). Two augmented seconds.
Audio source: tonejs-instruments by Nick Brosowsky (MIT)
What notes are in the C♯ Double Harmonic scale?
The C♯ Double Harmonic scale uses the notes C♯, D, E♯, F♯, G♯, A, B♯ (one octave; the pattern repeats at higher registers).
What's the Double Harmonic scale formula?
The Double Harmonic scale follows the interval pattern H W+H H W H W+H H, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on C♯ to get the C♯ Double Harmonic scale.
What chords work over C♯ Double Harmonic?
Try chord pairings derived from the scale's third, fifth, and seventh degrees as roots — they share the most diatonic notes.
How do I finger C♯ Double Harmonic on Bassoon (tenor clef)?
On double reeds, scales train reed control + register changes + the half-hole / full-hole register transition. Slow practice exposes pitch instability the player can correct with embouchure.
When would I use the Double Harmonic scale?
Major with ♭2 and ♭6 — Byzantine / Arabic / Hungarian Gypsy minor (parent scale). Two augmented seconds.