Gaug9

Gaug9 is G, B, D#, F and A, a augmented ninth. The shape this page opens on is written 301001, lowest string first.

Also written G9#5, G+9 or G9(#5). The same chord either way; which spelling you meet depends on who wrote the chart.

There are 8 common shapes for Gaug9 on the guitar, and 19 derived voicings in 2 families.

The common shapes, written lowest string first: 301001, 32324x, 3x3445, xx3445, 787887, x-10-9-10-10-11, x-12-13-0-12-13, 13-12-13-12-12-13.

Shell. Root, third and seventh: the guide tones fix the quality, so the fifth is dropped. That is what leaves a string free, so pick a tension to put on top. Gaug9 has 3232xx, xx5465, x-10-9-10-10-x, 15-14-15-14-x-x, 3x344x, x-10-x-10-12-11.

Rootless. The root left to the bass player. Frees a finger for a tension. Gaug9 has xx1201, x2324x, xx3445, xx7867, x-8-9-8-10-x, x-x-9-10-10-11, x-x-13-14-12-13, x2x241.

Tensions. A shell of Gaug9, root, third and seventh, leaves a string free, and the tones that belong over it are the #11 (C#).

The common shapes and the derived voicings come from different places, and both are explained in where the chords and the theory come from.