B♭ 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 B♭ Double Harmonic scale?
The B♭ Double Harmonic scale uses the notes B♭, C♭, D, E♭, F, G♭, A (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 B♭ to get the B♭ Double Harmonic scale.
What chords work over B♭ 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 B♭ Double Harmonic on Piano?
On piano, scales typically use a 1-2-3 / 1-2-3-4 thumb-under pattern for white-key scales. Black-key scales (F♯, G♭, etc.) shift the thumb-under positions onto white keys for ergonomic clearance. Hanon Exercise No. 1 and Czerny Op. 599 No. 1 work through the canonical pattern.
When would I use the Double Harmonic scale?
Major with ♭2 and ♭6 — Byzantine / Arabic / Hungarian Gypsy minor (parent scale). Two augmented seconds.