Augmented Triads To create an augmented triad, we effectively stretch out the perfect 5th in a major triad to give us an augmented or sharp 5th To do this, we move our perfect 5th up one extra half step;Basicmusictheory Com G Augmented Triad Chord For more information and source, see on this link https//wwwbasicmusictheorycom/gaugmentedtriadchord Diminished and Augmented Triads A C major chord is CEG, if instead we make a Cdim chord two minor thirds apart, that would be the notes CEbGb The formula for the diminished chord is 1b3b5 As you can see the third and fifth are both flattened, play the chord and get an idea of how it sounds
Basicmusictheory Com G Flat Augmented 7th Chord