A Ritusen Bass Scale
Bass scale — fretboard diagram
A Ritusen Scale — Notes and Intervals
The A Ritusen scale is a traditional Japanese pentatonic scale known for its balanced and tranquil nature. On Bass, the notes are A, B, D, E, F#. It has a suspended quality that sounds very peaceful and is a core part of ancient East Asian court music and contemplative melodies. Commonly used in Japanese, World, Ambient, Film Scores. Notable players include Kitaro, Ryuichi Sakamoto. Use over sus2, sus4, and open chords. Its omission of the 3rd creates an ambiguous major/minor quality.
Notes: A, B, D, E, F#
Intervals: 1P, 2M, 4P, 5P, 6M
Degrees: 1 2 3 4 5
Formula: W-WH-W-W-WH
Number of notes: 5
How to Play A Ritusen 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 Ritusen scale contains 1 sharp (F#). This scale does not follow a traditional major or minor key signature, so reading from sheet music may require accidentals.
Practice Routine
Begin by playing the A Ritusen scale ascending and descending at 80 BPM using a metronome, one note per beat. Once comfortable, practice in thirds (A-D, B-E) to build intervallic familiarity. Spend 5 minutes daily on this pattern before increasing tempo by 10 BPM.
This scale works well over simple power chord progressions or a 12-bar blues in A. Try a A5 - E5 - F#5 progression.
Bass Tips
Practice the A Ritusen 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 Ritusen scale contains 5 notes (A, B, D, E, F#). Use the interactive fretboard above to explore this scale on Bass with different tunings and fret ranges.
CAGED Positions & Patterns for A Ritusen
The A Ritusen 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.