Aadd9

A Add 9 chord

Notes

AC#EB

Intervals

1359

Root

Voicings on standard tuning

Voicing 1

○

5fr

Voicing 2

○

6fr

Voicing 3

○

5fr

Voicing 4

○

2fr

Voicing 5

○

9fr

Voicing 6

○

2fr

Interval formula

1 – 3 – 5 – 9

Sound character

a major chord with extra sparkle, no seventh involved

Where it appears

Adds movement to strummed major chords in pop, indie and acoustic ballads.

I–V–vi–IV

With Aadd9 as the tonic, this is the classic four-chord pop loop.

ii–V–I

Aadd9 is the resting point everything resolves to.

I–IV–V

The three-chord backbone of folk, country and early rock and roll.