Finger Positions

Root Note Gb

Name Gb dominant seventh

Intervals 1P-3M-5P-7m

Relative Minor Ebm

Notes Gb, Bb, Db, E

Aliases Gb7, Gbdom

How to play the Gb7 Chord

The Gb7 is a fundamental dominant chord in guitar music. To play this chord correctly, ensure your fingers are placed precisely on the frets indicated in the diagram above.

Music Theory Analysis

From a theoretical perspective, the Gb dominant seventh is built using the 1P, 3M, 5P, 7m intervals. In the key of Gb Major, this chord functions as the I chord.

Common Progressions

In music composition, the Gb7 chord is often used to create tension or resolution.

I-V-vi-IV

Gb → Db → Ebm → B

vi-IV-I-V

Ebm → B → Gb → Db

The Diatonic Family

Understanding the "family" of chords that belong to Gb helps with transposition and ear training.

Triads

Gb Abm Bbm B Db Ebm Fdim

7ths

Gbmaj7 Abm7 Bbm7 Bmaj7 Db7 Ebm7 Fm7b5

Scale Compatibility

View All Scales

Bebop Mixolydian Mixolydian Pentatonic Lydian Dominant Pentatonic Mixolydian B6 Lydian Dominant Lydian Minor Phrygian Dominant Hungarian Major Flamenco Spanish Heptatonic Bebop Minor Half-Whole Diminished Kafi Raga Composite Blues

* 15 scales found containing the notes Gb, Bb, Db, E.

Acoustic & Digital Analysis

Digital footprint of the Gb7 chord for MIDI programming and synthesizer sound design.

MIDI Numbers 66, 70, 61, 64

Frequencies (Hz)

369.9944227116344, 466.1637615180899, 277.1826309768721, 329.6275569128699