G♭ Mixolydian
Major with a lowered 7th — folk, blues-rock, dominant-7 vocabulary.
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♭ Mixolydian scale?
The G♭ Mixolydian scale uses the notes G♭, A♭, B♭, C♭, D♭, E♭, F♭ (one octave; the pattern repeats at higher registers).
What's the Mixolydian scale formula?
The Mixolydian scale follows the interval pattern W W H W W H W, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on G♭ to get the G♭ Mixolydian scale.
What chords work over G♭ Mixolydian?
Mixolydian works over dominant 7th chords (V7, I7 in blues). The signature mode for blues-rock and Celtic music.
How do I finger G♭ Mixolydian 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 Mixolydian scale?
Major with a lowered 7th — folk, blues-rock, dominant-7 vocabulary.