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

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  1. Chords
  2. /
  3. C
  4. /
  5. Sus2

C suspended 2nd (Csus2)

CRoot
DMaj 2
GPerf 5

Open and airy. Replaces the 3rd with a 2nd, creating ambiguity. Popular in modern rock and ambient music for texture.

Notes
CDG
Formula
1 · 2 · 5
Type
Suspended 2nd triad
03

How to play it

EADGBe31412345

Csus2

C suspended 2nd, Open

Bass
C, the root
Root
C
Strings
A D G B e · open
  • CRoot
  • DM2
  • GP5

Up the neck

6 voicings, same three notes

Why it sounds suspended 2nd

C+2 fretsD+5 fretsG

Stacked from 2 intervals. Compare with Csus4 →

04

Where to go next

More C chords

Same root, other colours

Cmaj7C7Cadd9C6Csus4Cmaj9C6/9

Chords in the key of C

What Csus2 usually sits next to

I · Cii · Dmiii · EmIV · FV · Gvi · Amvii° · B°

Close relatives

Relatives of C major

  • AmRelative minor of C major
  • CmParallel minor, lower the 3rd

Other Sus2 chords

Same quality, every root

Csus2C♯sus2Dsus2E♭sus2Esus2Fsus2F♯sus2Gsus2A♭sus2Asus2B♭sus2Bsus2
01

Root

C
02

Quality

Sus2

3 notes: root, 3rd, 5th. Every other chord is built on one of these.

Alterations need a 7th chord. Try C7 →

Why it sounds suspended 2nd

C+2 fretsD+5 fretsG

Stacked from 2 intervals. Compare with Csus4 →

03

How to play it

EADGBe31412345

Csus2

C suspended 2nd, Open

Bass
C, the root
Root
C
Strings
A D G B e · open
  • CRoot
  • DM2
  • GP5

Up the neck

6 voicings, same three notes
04

Where to go next

More C chords

Same root, other colours

Cmaj7C7Cadd9C6Csus4Cmaj9C6/9

Chords in the key of C

What Csus2 usually sits next to

I · Cii · Dmiii · EmIV · FV · Gvi · Amvii° · B°

Close relatives

Relatives of C major

  • AmRelative minor of C major
  • CmParallel minor, lower the 3rd

Other Sus2 chords

Same quality, every root

Csus2C♯sus2Dsus2E♭sus2Esus2Fsus2F♯sus2Gsus2A♭sus2Asus2B♭sus2Bsus2
C suspended 2nd