B♭ Yo
Japanese 5-note country-folk shamisen scale — 1 2 4 5 6. The bright counterpart to In Sen.
Playback sounds a perfect 5th below the written notation — the instrument's concert (sounding) pitch.
Audio source: FluidR3_GM SoundFont (public domain)
What notes are in the B♭ Yo scale?
The B♭ Yo scale uses the notes B♭, C, E♭, F, G (one octave; the pattern repeats at higher registers).
What's the Yo scale formula?
The Yo scale follows the interval pattern W W+H W W W+H, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on B♭ to get the B♭ Yo scale.
What chords work over B♭ Yo?
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♭ Yo on English Horn?
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 Yo scale?
Japanese 5-note country-folk shamisen scale — 1 2 4 5 6. The bright counterpart to In Sen.