A♯ In Sen
Japanese 5-note urban shamisen scale — 1 ♭2 4 5 ♭7. Modal-jazz workhorse beyond Japan.
Audio source: tonejs-instruments by Nick Brosowsky (MIT)
What notes are in the A♯ In Sen scale?
The A♯ In Sen scale uses the notes A♯, B, D♯, E♯, G♯ (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 A♯ to get the A♯ In Sen scale.
What chords work over A♯ 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 A♯ In Sen on Piano?
On piano, scales typically use a 1-2-3 / 1-2-3-4 thumb-under pattern for white-key scales. Black-key scales (F♯, G♭, etc.) shift the thumb-under positions onto white keys for ergonomic clearance. Hanon Exercise No. 1 and Czerny Op. 599 No. 1 work through the canonical pattern.
When would I use the In Sen scale?
Japanese 5-note urban shamisen scale — 1 ♭2 4 5 ♭7. Modal-jazz workhorse beyond Japan.