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An interactive reference for guitar chord shapes, voicings and the theory behind them.

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  1. Chords
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  3. C♯
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  5. 13

C♯ 13th (C♯13)

C♯Root
E♯Maj 3
Bmin 7
D♯9
A♯13

Maximum extension. Usually played as subset (omit 11th, sometimes 5th). Big band and jazz standard.

Notes
C♯E♯BD♯A♯
Formula
1 · 3 · ♭7 · 9 · 13
Type
Extended chord
03

How to play it

EADGBe31243fr4567

C♯13

C♯ 13th, 1fr

Bass
C♯, the root
Root
C♯
Strings
A D G B e · open
  • C♯Root
  • E♯M3
  • Bm7
  • D♯9
  • A♯13

Up the neck

6 voicings, same five notes

Why a 13th chord sounds the way it does

C♯+4 fretsE♯+6 fretsB+4 fretsD♯+7 fretsA♯

Stacked from 4 intervals.

04

Where to go next

More C♯ chords

Same root, other colours

C♯maj7C♯7C♯add9C♯6C♯sus2C♯sus4C♯maj9C♯6/9

Chords in the key of D♭

What C♯13 usually sits next to

I · D♭ii · E♭miii · FmIV · G♭V · A♭vi · B♭mvii° · C°

Close relatives

Relatives of D♭ major

  • B♭mRelative minor of D♭ major
  • C♯mParallel minor, lower the 3rd

Other 13 chords

Same quality, every root

C13C♯13D13E♭13E13F13F♯13G13A♭13A13B♭13B13
01

Root

C♯
02

Quality

13

5+ notes: stack the 9th, 11th or 13th on a 7th chord.

Why a 13th chord sounds the way it does

C♯+4 fretsE♯+6 fretsB+4 fretsD♯+7 fretsA♯

Stacked from 4 intervals.

03

How to play it

EADGBe3124345673fr

C♯13

C♯ 13th, 1fr

Bass
C♯, the root
Root
C♯
Strings
A D G B e · open
  • C♯Root
  • E♯M3
  • Bm7
  • D♯9
  • A♯13

Up the neck

6 voicings, same five notes
04

Where to go next

More C♯ chords

Same root, other colours

C♯maj7C♯7C♯add9C♯6C♯sus2C♯sus4C♯maj9C♯6/9

Chords in the key of D♭

What C♯13 usually sits next to

I · D♭ii · E♭miii · FmIV · G♭V · A♭vi · B♭mvii° · C°

Close relatives

Relatives of D♭ major

  • B♭mRelative minor of D♭ major
  • C♯mParallel minor, lower the 3rd

Other 13 chords

Same quality, every root

C13C♯13D13E♭13E13F13F♯13G13A♭13A13B♭13B13
C♯ 13th