Finger Positions

Root Note A

Name A sixth over F#

Intervals 1P-3M-5P-6M

Relative Minor F#m

Notes A, C#, E, F#

Aliases A6, Aadd6, Aadd13, AM6

How to play the A6/F# Chord

The A6/F# is a fundamental major 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 sixth over F# is built using the 1P, 3M, 5P, 6M intervals. In the key of A Major, this chord functions as the I chord.

Common Progressions

In music composition, the A6/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

Major Pentatonic Major Major Blues Bebop Lydian Mixolydian Scriabin Lydian Dominant Hungarian Major Lydian #9 Bebop Minor Bebop Major Ichikosucho Half-Whole Diminished Kafi Raga

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

Acoustic & Digital Analysis

Digital footprint of the A6/F# chord for MIDI programming and synthesizer sound design.

MIDI Numbers 69, 61, 64, 66

Frequencies (Hz)

440, 277.1826309768721, 329.6275569128699, 369.9944227116344