Gb Mixolydian Scale: Degrees, Notes, Intervals, and Practical Use

Gb Mixolydian — dominant major from “Gb” with bluesy flavor and natural pull to tonic. Good for rock and groovy lines. Emphasize b7, add 9/13 in upper voices.

Formula and Intervals of the Gb Mixolydian Scale

Degree formula: 1 — 2 — 3 — 4 — 5 — 6 — b7. Interval pattern between adjacent degrees: 2 — 2 — 1 — 2 — 2 — 1 — 2. The scale includes the following notes:

• Gb — tonic, the main anchor of the mode.
• Ab — gentle melodic extension and natural upward step.
• Bb — major third, clear support above the tonic.
• B — quartal spice, best separated from 3 by voice leading.
• Db — perfect fifth, stabilizing anchor of the mode.
• Eb — warm upper shade, pairs well with 9.
• E — dominant pull toward tonic, typical of Mixolydian.

Together these degrees form the core of the Gb Mixolydian mode and define its musical character.

Chords within the Gb Mixolydian Scale

Below are the basic diatonic chords that naturally occur on each degree. Use them as a palette for your progressions, keep the bass stable, and highlight color tones in the upper voice.

• Gb — 1
• Abm — 2
• Bbdim — 3
• B — 4
• Dbm — 5
• Ebm — 6
• E — b7

This set forms a solid modal framework: combine triads and seventh chords, add 9/11/13 for color, and separate 3rds from 11ths for cleaner harmony.

Alternative Names of the Gb Mixolydian Scale

This mode may appear under other names:

• Gb Mixolydian Major
• Gb Dominant Major

All variations point to the same modal structure.

How to Use the Gb Mixolydian Scale

b7 is the key color of the dominant. Try I-bVII-IV and V-IV-I, add 9/13 in the top voice. Simplify the bass when possible.

Conclusion

Gb Mixolydian is a recognizable mode with clear logic of use. Study the formula and intervals, keep color tones in the top voice, build diatonic chords, and try integrating the mode into your own progressions — this way you’ll develop a confident and expressive sound faster.