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Lesson Ultimate Plan

Dominant 13 (13)

Big band color

Prove it — just do the practice exercise.
G13 Root Position
G
R
B
3
D
5
F
♭7
A
9
E
13
The 13th chord is the most colorful dominant chord:

• R – 3 – 5 – ♭7 – 9 – 13

The 13th (= 6th in a higher octave) gives the chord a full, warm sound. Standard in big band arrangements.

Example: G13 = G + B + D + F + A + E