7th And Extended Chords

Let's review some common jazz chord shapes, this time using the same root of C, so it's easy to compare them.

Cmaj7

6 = 1 3 5 6

C6 = C E G A

This shape omits the 5th (G), which is common.

7 = 1 3 5 b7

C7 = C E G Bb

This shape omits the 5th (G), which is common.

Cmin7

Cmin6

m6 = 1 b3 5 6

Cm6 = C Eb G A

This shape omits the 5th (G), which is common.

Cmin11

Min11 = 1 b3 5 b7 9 11

Cmin11 = C Eb G Bb D F

This shape omits the 5th (G), which is common.

Cdim7

13 = 1 3 5 b7 9 11 13

C13 = C E G Bb D F A

This shape omits the 5th (G) and 11th (F). In upper extension shapes, it is common to leave notes out, ensuring we include the top extension note, in this case 13 (A).

C 6/9

6/9 = 1 3 5 6 9

C 6/9 = C E G A D

This shape omits the 5th (G), which is common.

Cmin7b5

(half-diminished 7th)

min7b5 = 1 b3 b5 b7

Cmin7b5 = C Eb Gb Bb

Chords Lesson

Jazz Shapes 2

Cmaj7