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#, B, D#, F, 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#, B, D#, F, 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 A string at fret 1. 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 3 sharps (A#, D#, G#). 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 A#5 - F5 - G#5 progression.
Bass Tips
On bass, use the A# In-sen scale to build walking bass lines by targeting chord tones on strong beats and using scale tones as approach notes. This is the foundation of functional bass playing.
The A# In-sen scale contains 5 notes (A#, B, D#, F, 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.