Gb Mixolydian Mode
Gb – Ab – Bb – Cb – Db – Eb – Fb
Formula:W-W-H-W-W-H-W
Intervals:P1-M2-M3-P4-P5-M6-m7-P8
Scale Degrees:1-2-3-4-5-6-♭7-8
Introduction
The Gb Mixolydian mode is the fifth mode of the Cb Major scale. It has a major sound with a flatted seventh degree, widely used in rock, blues, and folk.
Gb Mixolydian Mode Notes
| Degree | Name | Note | Interval |
|---|---|---|---|
| 1 | Tonic | Gb4 | P1 |
| 2 | Supertonic | Ab4 | M2 |
| 3 | Mediant | Bb4 | M3 |
| 4 | Subdominant | Cb5 | P4 |
| 5 | Dominant | Db5 | P5 |
| 6 | Submediant | Eb5 | M6 |
| ♭7 | Leading Tone | Fb5 | m7 |
| 8 | Octave | Gb5 | P8 |
Gb Mixolydian Mode — Frequently Asked Questions
What notes are in the Gb Mixolydian mode?
Gb Mixolydian contains: Gb, Ab, Bb, Cb, Db, Eb, Fb. Fifth mode of Cb Major. Enharmonic of F# Mixolydian.
How does Gb Mixolydian differ from Gb Major?
One note: flatted 7th (Fb vs F).
What is the parent major scale?
Fifth mode of Cb Major (enharmonically B Major).
How is Gb Mixolydian used in music?
Matches Gb7. Enharmonic F# Mixolydian is more common.
What chords are built from Gb Mixolydian?
Gb, Abm, Bbdim, Cb, Dbm, Ebm, Fb.
What songs use Mixolydian?
Sweet Home Alabama, blues, rock.
Practice Tips
- Gb Mixolydian and F# Mixolydian are enharmonic.
- Lower F to Fb (E) — hear the blues.
- Matches Gb7.
- Practice over a Gb7 vamp.
- Translate to F# Mixolydian for easier reading.
- Compare with Gb Major.