Finger Positions

Root Note A

Name A augmented over F#

Intervals 1P-3M-5A

Relative Minor F#m

Notes F#, A, C#, F

Aliases Aaug, A+, A+5, A^#5

How to play the Aaug/F# Chord

The Aaug/F# is a fundamental augmented 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 A augmented over F# is built using the 1P, 3M, 5A intervals. In the key of A Major, this chord functions as the I chord.

Common Progressions

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

I-V-vi-IV

A → E → F#m → D

vi-IV-I-V

F#m → D → A → E

The Diatonic Family

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

Triads

A Bm C#m D E F#m G#dim

7ths

Amaj7 Bm7 C#m7 Dmaj7 E7 F#m7 G#m7b5

Scale Compatibility

View All Scales

Flat Six Pentatonic Whole Tone Pentatonic Lydian #5p Pentatonic Augmented Mystery #1 Six Tone Symmetric Whole Tone Locrian Major Double Harmonic Lydian Altered Mixolydian B6 Lydian Augmented Ultralocrian Augmented Heptatonic Leading Whole Tone

* 15 scales found containing the notes F#, A, C#, F.

Acoustic & Digital Analysis

Digital footprint of the Aaug/F# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 66, 69, 61, 65

Frequencies (Hz)

369.9944227116344, 440, 277.1826309768721, 349.2282314330039