Chord · 13ths

A7/6 — A Dominant 7th / 6th

A7/6 is the A dominant 7th / 6th chord. It is built on the root A with major 3rd (C♯), perfect 5th (E), minor 7th (G) and major 13th (F♯) above it — the formula 1 3 5 ♭7 13, sounding the notes A C♯ E G F♯. On the piano it sits at A (octave 3) and above in the library's voicing; the same 5 notes in any octave are still A7/6.

Root
A
Quality
Dominant 7th / 6th
Formula
1 3 5 ♭7 13
Notes
A C♯ E G F♯

On the keyboard

A7/6 on the piano keyboard: A C♯ E G F♯AC♯EGF♯

The notes of A7/6

DegreeNoteInterval from the rootPitch
1ArootA3
3C♯major 3rdC♯4
5Eperfect 5thE4
♭7Gminor 7thG4
13F♯major 13thF♯5

Other 13ths on A

Dominant 7th / 6th chords on every root

Part of the chord reference. See also the scales and the keys.