13#5
Fig. 1 · Gaug on the keyboard

piano chord

Gaug

G1B3D♯♯5

Two major thirds stacked. Symmetrical: every note can be heard as the root.

on guitaron ukulelethe scale

What is true of it

Gaug is G, B and D♯ — 1, 3 and #5 counted from G.

G in other shapes

GmajorGmminorGdimdiminishedG5power chordGsus2suspended secondGsus4suspended fourth

CaugC♯augD♭augDaugD♯augE♭augEaugFaugall 374