A In-sen Bass Scale
Bass scale — fretboard diagram
A In-sen Scale — Notes and Intervals
The A In-sen scale is the classic Wind Chime scale from Japan. On Bass, the notes are A, Bb, D, E, G. This Japanese tuning is instantly recognizable and is used globally to evoke a sense of calm, Zen-like tranquility, and natural beauty. Commonly used in Japanese, Ambient, Film Scores, New Age. Notable players include Miyavi, Kitaro. Use over sus4, m7, and drone-based harmony. Perfect for ambient and meditative music with minimal chord movement.
Notes: A, Bb, D, E, G
Intervals: 1P, 2m, 4P, 5P, 7m
Degrees: 1 b2 3 4 b5
Formula: H-4-W-WH-W
Number of notes: 5
How to Play A In-sen on Bass
On bass, locate A on the E string at fret 5. This 5-note scale can be played across two strings without shifting, making it ideal for groove-based lines.
The A In-sen scale contains 1 flat (Bb). This scale does not follow a traditional major or minor key signature, so reading from sheet music may require accidentals.
Practice Routine
Set a metronome to 80 BPM and play the A In-sen scale in groups of four notes, shifting the starting note each repetition. This builds muscle memory across the entire scale range. After a week, try improvising short 4-bar phrases using only these notes.
This scale works well over simple power chord progressions or a 12-bar blues in A. Try a A5 - E5 - G5 progression.
Bass Tips
Practice the A In-sen scale on bass using only your index and ring fingers for a two-finger-per-string approach, then switch to one-finger-per-fret. Both techniques are essential for different musical situations.
The A In-sen scale contains 5 notes (A, Bb, D, E, G). Use the interactive fretboard above to explore this scale on Bass with different tunings and fret ranges.
CAGED Positions & Patterns for A In-sen
The A In-sen scale can be played in 5 CAGED positions across the fretboard, each based on an open chord shape (C, A, G, E, D). As a 5-note pentatonic scale, 2-notes-per-string patterns are the most ergonomic way to traverse the fretboard. Use the pattern selector above to isolate each position.