B𝄫 In Sen
Japanese 5-note urban shamisen scale — 1 ♭2 4 5 ♭7. Modal-jazz workhorse beyond Japan.
Playback sounds a minor 3rd below the written notation — the instrument's concert (sounding) pitch.
Audio source: tonejs-instruments by Nick Brosowsky (MIT)
What notes are in the B𝄫 In Sen scale?
The B𝄫 In Sen scale uses the notes B𝄫, C𝄫, E𝄫, F♭, A𝄫 (one octave; the pattern repeats at higher registers).
What's the In Sen scale formula?
The In Sen scale follows the interval pattern H 4 W W+H W, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on B𝄫 to get the B𝄫 In Sen scale.
What chords work over B𝄫 In Sen?
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𝄫 In Sen on Clarinet in A?
On woodwinds, scales train fingering coordination + breath support + register changes. Pay particular attention to the break (the register-key transition); slow practice with a tuner reveals intonation issues across the break.
When would I use the In Sen scale?
Japanese 5-note urban shamisen scale — 1 ♭2 4 5 ♭7. Modal-jazz workhorse beyond Japan.