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MusicTheoryGym

Scale · 6 notes

G Blues Scale

G Blues is a 6-note scale with the notes G B♭ C D♭ D F. It sounds the minor pentatonic plus the ♭5 "blue note", gritty and expressive.

CDFGD♭B♭

Purple = G (the tonic) · green = other scale notes

On the fretboard

Every G blues note on the neck. Pick a pattern to see the compact fingering shape that fits under one hand.

EADGBe135791215FGB♭CD♭DFGB♭CD♭DFGB♭CDFGB♭CD♭DFGB♭CD♭DFGB♭CD♭DFGB♭CD♭DFGB♭CD♭DFG

Blue = G (the root) · green = other scale notes

Notes in the G Blues scale

DegreeNote
1G
♭3B♭
4C
♭5D♭
5D
♭7F

Each note uses a different letter name (apart from the blue note, which shares a letter with the fifth), so the spelling follows the scale rather than the keyboard: G B♭ C D♭ D F.

G Blues scale formula

The pattern of steps from one note to the next is W+H – W – H – H – W+H – W (W = whole step, H = half step, W+H = a step of three semitones). Compared with the major scale the degrees are 1 ♭3 4 ♭5 5 ♭7.

Related scales

How to practise the G Blues scale

Play it over a 12-bar blues in the same key. Lean on the flat fifth (the blue note) as a passing tone rather than a landing note.

Frequently asked questions

What are the notes in the G Blues scale?

The notes of the G Blues scale are G B♭ C D♭ D F.

What is the formula for the G Blues scale?

The pattern of whole and half steps is W+H – W – H – H – W+H – W (W = whole step, H = half step). In scale degrees: 1 ♭3 4 ♭5 5 ♭7.

More G scales

G Major, G Natural Minor, G Harmonic Minor, G Melodic Minor, G Dorian, G Phrygian, G Lydian, G Mixolydian, G Locrian, G Major Pentatonic, G Minor Pentatonic, G Lydian Dominant, G Altered, G Whole Tone, G Dorian ♭2, G Lydian Augmented, G Mixolydian ♭6, G Locrian ♯2, G Phrygian Dominant, G Hungarian Minor, G Double Harmonic, G Diminished (W–H), G Diminished (H–W), G Bebop Dominant, G Bebop Major

Explore the full scales library, find a scale from notes with the scale finder, or see every chord in every key in the chord chart.