G♭ Blues scale
The G♭ Blues scale is a 6-note blues scale built on the root G♭. Its notes are G♭, B𝄫, C♭, D𝄫, D♭ and F♭. Minor pentatonic with an added flat fifth (the blue note) - the heart of blues phrasing. This page covers the formula, fingerings, diatonic chords and common progressions that make G♭ Blues a great tool for improvising and composing.
The blues scale is where blues, rock, R&B and jazz improvisation live. That added flat fifth with all the bends and slides - that's its signature voice. Built on the root G♭, the scale takes on the specific colour and pitch range of that key - making it especially useful in genres and registers where G♭ is a comfortable tonal centre.
- Notes
- G♭ · B𝄫 · C♭ · D𝄫 · D♭ · F♭
- Formula
- 1P · 3m · 4P · 5d · 5P · 7m
- Step pattern
- W+H W H H W+H W
- Tonic
- G♭
G♭ Blues on the piano
G♭ Blues on the guitar
G♭ Blues on the staff
Hear the G♭ Blues scale
Improvisation drone
Loop the root note as a pad to practice improvising over this scale.
Notes of the G♭ Blues scale
| Degree | Interval | Semitones | Note | Hear |
|---|---|---|---|---|
| 1 | 1P | 0 | G♭(Gb) | |
| 2 | 3m | 3 | B𝄫(Bbb) | |
| 3 | 4P | 5 | C♭(Cb) | |
| 4 | 5d | 6 | D𝄫(Dbb) | |
| 5 | 5P | 7 | D♭(Db) | |
| 6 | 7m | 10 | F♭(Fb) |
How to use the G♭ Blues scale
Because G♭ Blues has fewer or more than seven notes, it doesn't produce a standard set of seven diatonic triads. Instead, build chords by stacking thirds within the scale or use it as a melodic colour over chords drawn from a related diatonic key.
The blues scale is where blues, rock, R&B and jazz improvisation live. That added flat fifth with all the bends and slides - that's its signature voice.
Practice tips
Add the blue note (flat fifth) to your minor pentatonic phrases as a passing or grace note. Don't sit on it too long - works best as a slide.
Where you will hear G♭ Blues
G♭ Blues appears throughout the blues scale is where blues, rock, r&b and jazz improvisation live. that added flat fifth with all the bends and slides - that's its signature voice. Listening to music in this scale and transcribing short phrases is the fastest way to absorb its sound.
Formula & step pattern
The G♭ Blues scale follows the minor pentatonic scale with an added flat fifth - the famous “blue note”. Step pattern: W+H - W - H - H - W+H - W. Intervals from the root: 1P · 3m · 4P · 5d · 5P · 7m. Memorising the formula lets you transpose the scale to any other root note quickly.
Questions people ask
- What notes are in the G♭ Blues scale?
- The G♭ Blues scale contains G♭, B𝄫, C♭, D𝄫, D♭ and F♭.
- What is the formula for the G♭ Blues scale?
- G♭ Blues follows the minor pentatonic scale with an added flat fifth - the famous “blue note”.
- Is G♭ Blues a major or minor scale?
- G♭ Blues is a blues scale. Minor pentatonic with an added flat fifth (the blue note) - the heart of blues phrasing.
- What chords belong to the G♭ Blues scale?
- G♭ Blues doesn't produce a standard seven-chord diatonic set. Use chords from a related diatonic scale instead.
- Which genres use G♭ Blues?
- The blues scale is where blues, rock, R&B and jazz improvisation live. That added flat fifth with all the bends and slides - that's its signature voice.
- How do I practise the G♭ Blues scale?
- Add the blue note (flat fifth) to your minor pentatonic phrases as a passing or grace note. Don't sit on it too long - works best as a slide.