G♭ Double Harmonic
Major with ♭2 and ♭6 — Byzantine / Arabic / Hungarian Gypsy minor (parent scale). Two augmented seconds.
Playback sounds a major 2nd below the written notation — the instrument's concert (sounding) pitch.
Audio source: tonejs-instruments by Nick Brosowsky (MIT)
What notes are in the G♭ Double Harmonic scale?
The G♭ Double Harmonic scale uses the notes G♭, A𝄫, B♭, C♭, D♭, E𝄫, F (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 G♭ to get the G♭ Double Harmonic scale.
What chords work over G♭ 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 G♭ Double Harmonic on Trumpet in Bb?
On brass, scales train embouchure + valve / slide coordination across the partials. Slow practice with a tuner reveals intonation tendencies (e.g., the 5th partial sharp on trumpet).
When would I use the Double Harmonic scale?
Major with ♭2 and ♭6 — Byzantine / Arabic / Hungarian Gypsy minor (parent scale). Two augmented seconds.