B♭ Locrian
Diminished tonic. Rare in practice; theoretical more than functional.
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 B♭ Locrian scale?
The B♭ Locrian scale uses the notes B♭, C♭, D♭, E♭, F♭, G♭, A♭ (one octave; the pattern repeats at higher registers).
What's the Locrian scale formula?
The Locrian scale follows the interval pattern H W W H W W W, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on B♭ to get the B♭ Locrian scale.
What chords work over B♭ Locrian?
Locrian works over m7♭5 (half-diminished) chords — the ii of a minor ii–V–i. Locrian ♮6 is often a better fit.
How do I finger B♭ Locrian 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 Locrian scale?
Diminished tonic. Rare in practice; theoretical more than functional.