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C7♯9 chord

C 7th sharp 9

Notes
C E G B♭ D♯
Formula
1 3 5 ♭7 ♯9

4 ways to play C7♯9

  1. Shape 1First position
    C7#9 chord, shape 1: x-3-2-3-4-x××2134CEB♭D♯Play string 5Play string 4Play string 3Play string 2

    x-3-2-3-4-x

  2. Shape 2Barre, fret 3
    C7#9 chord, shape 2: x-3-5-3-4-03fr×1312CGB♭D♯EPlay string 5Play string 4Play string 3Play string 2Play string 1

    x-3-5-3-4-0

  3. Shape 3Barre, fret 8
    C7#9 chord, shape 3: 8-10-8-9-8-118fr131214CGB♭EGD♯Play string 6Play string 5Play string 4Play string 3Play string 2Play string 1

    8-10-8-9-8-11

  4. Shape 4From fret 9
    C7#9 chord, shape 4: x-x-10-9-11-119fr××2134CEB♭D♯Play string 4Play string 3Play string 2Play string 1

    x-x-10-9-11-11

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 C major

These chords share notes with C7♯9 and sound natural next to it.

Related chords

Practice chord changesSwitch between C7♯9 and other chords against a timer.Beginner chord cheat sheetThe chords every beginner needs, on one printable page.