Finger Positions

G#m9/B diagram
Root Note G#
Name G# minor ninth over B
Intervals 1P-3m-5P-7m-9M
Relative Minor Fm
Notes G#, B, D#, F#, A#
Aliases G#m9, G#-9

How to play the G#m9/B Chord

The G#m9/B 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 G# minor ninth over B is built using the 1P, 3m, 5P, 7m, 9M intervals. In the key of G# Major, this chord functions as the I chord.

Common Progressions

In music composition, the G#m9/B chord is often used to create tension or resolution.

I-V-vi-IV

G# → D# → Fm → C#

vi-IV-I-V

Fm → C# → G# → D#

The Diatonic Family

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

Triads

G# A#m Cm C# D# Fm Gdim

7ths

G#maj7 A#m7 Cm7 C#maj7 D#7 Fm7 Gm7b5

Scale Compatibility

View All Scales
Minor Dorian Dorian #4 Bebop Minor Minor Bebop Composite Blues Messiaen's Mode #3 Chromatic

* 8 scales found containing the notes G#, B, D#, F#, A#.

Acoustic & Digital Analysis

Digital footprint of the G#m9/B chord for MIDI programming and synthesizer sound design.

MIDI Numbers 68, 71, 63, 66, 70
Frequencies (Hz)

415.3046975799451, 493.8833012561241, 311.1269837220809, 369.9944227116344, 466.1637615180899