G Composite Blues Piano Scale
Piano scale diagram
G Composite Blues Scale — Notes and Intervals
The G Composite Blues scale is a comprehensive nine-note jazz scale that merges major and minor blues structures. On Piano, it contains the notes G, A, Bb, B, C, Db, D, E, F. It allows improvisers absolute melodic freedom over dominant chords, blending happiness and grit in every line. Commonly used in Jazz, Blues, Fusion, Funk. Notable players include John Scofield, Robben Ford, Larry Carlton. Use over dominant 7th chords in blues and jazz-blues. Contains both major and minor 3rds, allowing fluid switching between bright and dark.
Notes: G, A, Bb, B, C, Db, D, E, F
Intervals: 1P, 2M, 3m, 3M, 4P, 5d, 5P, 6M, 7m
Degrees: 1 2 b3 4 5 6 7 8 b9
Formula: W-H-H-H-H-H-W-H-W
Number of notes: 9
How to Play G Composite Blues on Piano
On piano, the G Composite Blues scale uses 2 black keys. Start with your thumb on G and use the black keys as landmarks for consistent finger placement. Standard major or minor fingering patterns apply.
The G Composite Blues scale contains 2 flats (Bb, Db). 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 G Composite Blues 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.
Experiment with simple two-chord vamps rooted on G to let the characteristic intervals of the Composite Blues scale come through clearly.
Piano Tips
At the piano, try voicing the G Composite Blues scale in the left hand as blocked intervals (thirds or sixths) while the right hand plays the melody. This develops your harmonic ear and comping skills simultaneously.
The G Composite Blues scale contains 9 notes (G, A, Bb, B, C, Db, D, E, F). Use the interactive piano diagram above to explore this scale on Piano.