Finger Positions

Root Note F

Name F dominant flat ninth over G#

Intervals 1P-3M-5P-7m-9m

Relative Minor Dm

Notes G#, F, A, C, Eb, Gb

Aliases F7b9

How to play the F7b9/G# Chord

The F7b9/G# 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 F dominant flat ninth over G# is built using the 1P, 3M, 5P, 7m, 9m intervals. In the key of F Major, this chord functions as the I chord.

Common Progressions

In music composition, the F7b9/G# chord is often used to create tension or resolution.

I-V-vi-IV

F → C → Dm → Bb

vi-IV-I-V

Dm → Bb → F → C

The Diatonic Family

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

Triads

F Gm Am Bb C Dm Edim

7ths

Fmaj7 Gm7 Am7 Bbmaj7 C7 Dm7 Em7b5

Scale Compatibility

View All Scales

Phrygian Dominant Flamenco Spanish Heptatonic Half-Whole Diminished Chromatic

* 5 scales found containing the notes G#, F, A, C, Eb, Gb.

Acoustic & Digital Analysis

Digital footprint of the F7b9/G# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 68, 65, 69, 60, 63, 66

Frequencies (Hz)

415.3046975799451, 349.2282314330039, 440, 261.6255653005986, 311.1269837220809, 369.9944227116344