fuaranScale Mastery
SCALE · ON PIANO

A In Sen

Japanese 5-note urban shamisen scale — 1 ♭2 4 5 ♭7. Modal-jazz workhorse beyond Japan.

MEIMIDIHumdrum
Choose a root
Tempo120 bpm

Audio source: tonejs-instruments by Nick Brosowsky (MIT)

Engraved by Verovio 6.2.0-43f8060 5 title A In Sen Verovio
Keyboard
ADEGADEGADEGAB♭B♭B♭
Related scales
Same scale, other instruments
Same scale, other tonics
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Theory reference
Questions
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.