Seven six chord on C (C7/6). Play 

In music, a seven six chord is a chord containing both factors a sixth and a seventh above the root, making it both an added chord and a seventh chord. However, the term may mean the first inversion of an added ninth chord (E–G–C–D).[1]

It can be written as 7/6 and 7,6.[2] It can be represented by the integer notation {0, 4, 7, 9, 10}.

This is known more commonly as the 13th chord, with both the dominant 7th and the 6th (or 13th). The chord therefore contains the 5, 6, 7, & 8 (root), which can be spread or clustered. Playing the 13th note extension (or 6th) without the dominant 7th is known as an Add 6 (+6) chord.

seven six chord
Component intervals from root
minor seventh
major sixth
perfect fifth
major third
Forte no. / Complement
5-25 / 7-25

Six seven chord table

Chord Root Major third Perfect fifth Major sixth Minor seventh
C7/6 C E G A B
C7/6 C E (F) G A B
D7/6 D F A B C
D7/6 D F A B C
D7/6 D Fdouble sharp (G) A B (C) C
E7/6 E G B C D
E7/6 E G B C D
F7/6 F A C D E
F7/6 F A C D E
G7/6 G B D E F (E)
G7/6 G B D E F
G7/6 G B (C) D E (F) F (G)
A7/6 A C E F G
A7/6 A C E F G
A7/6 A Cdouble sharp (D) E (F) Fdouble sharp (G) G
B7/6 B D F G A
B7/6 B D F G A


  1. ^ François-Joseph Fétis, Mary I. Arlin (1994). Esquisse de l'histoire de l'harmonie, p.130. ISBN 978-0-945193-51-7.
  2. ^ Kroepel, Bob (1993). Deluxe Encyclopedia of Piano Chords, p.19. ISBN 978-0-87166-579-9.