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A7♯9 chord

A 7th sharp 9

Notes
A C♯ E G B♯
Formula
1 3 5 ♭7 ♯9

4 ways to play A7♯9

  1. Shape 1Barre, fret 5
    A7#9 chord, shape 1: 5-7-5-6-8-85fr131244AEGC♯GB♯Play string 6Play string 5Play string 4Play string 3Play string 2Play string 1

    5-7-5-6-8-8

  2. Shape 2From fret 6
    A7#9 chord, shape 2: x-x-7-6-8-86fr××2134AC♯GB♯Play string 4Play string 3Play string 2Play string 1

    x-x-7-6-8-8

  3. Shape 3From fret 8
    A7#9 chord, shape 3: x-0-10-9-8-98fr×4213AB♯EGC♯Play string 5Play string 4Play string 3Play string 2Play string 1

    x-0-10-9-8-9

  4. Shape 4From fret 11
    A7#9 chord, shape 4: x-12-11-12-13-x11fr××2134AC♯GB♯Play string 5Play string 4Play string 3Play string 2

    x-12-11-12-13-x

Numbers on the dots are fingers: 1 index, 2 middle, 3 ring, 4 pinky. ○ means play the string open, × means don't play it. Tab reads from the low E string to the high E string.

Chords in the key of A major

These chords share notes with A7♯9 and sound natural next to it.

Related chords

Practice chord changesSwitch between A7♯9 and other chords against a timer.Beginner chord cheat sheetThe chords every beginner needs, on one printable page.