Finger Positions

Root Note G

Name G minor double flat fifth over C#

Intervals 1P-3m-4P

Relative Minor Em

Notes C#, G, Bb, C

Aliases

How to play the Gmbb5/C# Chord

The Gmbb5/C# is a fundamental unknown 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 G minor double flat fifth over C# is built using the 1P, 3m, 4P intervals. In the key of G Major, this chord functions as the I chord.

Common Progressions

In music composition, the Gmbb5/C# chord is often used to create tension or resolution.

I-V-vi-IV

G → D → Em → C

vi-IV-I-V

Em → C → G → D

The Diatonic Family

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

Triads

G Am Bm C D Em F#dim

7ths

Gmaj7 Am7 Bm7 Cmaj7 D7 Em7 F#m7b5

Scale Compatibility

View All Scales

* 0 scales found containing the notes C#, G, Bb, C.

Acoustic & Digital Analysis

Digital footprint of the Gmbb5/C# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 61, 67, 70, 60

Frequencies (Hz)

277.1826309768721, 391.99543598174927, 466.1637615180899, 261.6255653005986