Finger Positions

Diagram unavailable.

Root Note G

Name G augmented 9 over A#

Intervals 1P-3M-5A-9M

Relative Minor Em

Notes A#, G, B, D#, A

Aliases

How to play the Gaug9/A# Chord

The Gaug9/A# 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 augmented 9 over A# is built using the 1P, 3M, 5A, 9M intervals. In the key of G Major, this chord functions as the I chord.

Common Progressions

In music composition, the Gaug9/A# 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 A#, G, B, D#, A.

Acoustic & Digital Analysis

Digital footprint of the Gaug9/A# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 70, 67, 71, 63, 69

Frequencies (Hz)

466.1637615180899, 391.99543598174927, 493.8833012561241, 311.1269837220809, 440