F Messiaen's Mode #7 Bass Scale
Bass scale — fretboard diagram
F Messiaen's Mode #7 Scale — Notes and Intervals
The F Messiaen's Mode #7 scale is a nearly-chromatic scale that serves as the parent for many other symmetrical systems. On Bass, the notes are F, Gb, G, Ab, Bb, B, C, Db, D, E. It represents divine authority and the vast, complex forces of the universe in Messiaen's musical language. Commonly used in Contemporary Classical, Experimental, Avant-Garde. Notable players include Olivier Messiaen. Use in complex, multi-layered compositions. Its near-chromatic density provides maximum harmonic flexibility.
Notes: F, Gb, G, Ab, Bb, B, C, Db, D, E
Intervals: 1P, 2m, 2M, 3m, 4P, 4A, 5P, 6m, 6M, 7M
Degrees: 1 b2 3 b4 5 #6 7 b8 9 10
Formula: H-H-H-W-H-H-H-H-W-H
Number of notes: 10
How to Play F Messiaen's Mode #7 on Bass
On bass, locate F on the E string at fret 1. Use a one-finger-per-fret approach starting from the root and span two to three strings. Keep your fretting hand relaxed and practice shifting between positions cleanly.
The F Messiaen's Mode #7 scale contains 4 flats (Gb, Ab, Bb, Db). This scale does not follow a traditional major or minor key signature, so reading from sheet music may require accidentals.
Practice Routine
Practice the F Messiaen's Mode #7 scale by playing it ascending with one rhythmic feel (straight eighth notes) and descending with another (swing or triplets) at 80 BPM. This dual approach trains both technical accuracy and rhythmic versatility with the 10 notes of the scale.
Experiment with simple two-chord vamps rooted on F to let the characteristic intervals of the Messiaen's Mode #7 scale come through clearly.
Bass Tips
On bass, use the F Messiaen's Mode #7 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 F Messiaen's Mode #7 scale contains 10 notes (F, Gb, G, Ab, Bb, B, C, Db, D, E). Use the interactive fretboard above to explore this scale on Bass with different tunings and fret ranges.
CAGED Positions & Patterns for F Messiaen's Mode #7
The F Messiaen's Mode #7 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 10-note scale, it also lends itself to 3-notes-per-string (3NPS) patterns that facilitate legato playing and diagonal shifting. Use the pattern selector above to isolate each position.