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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. A
  4. /
  5. Sus2

A suspended 2nd (Asus2)

ARoot
BMaj 2
EPerf 5

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

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

How to play it

EADGBe2312345

Asus2

A suspended 2nd, Open

Bass
A, the root
Root
A
Strings
A D G B e · open
  • ARoot
  • BM2
  • EP5

Up the neck

6 voicings, same three notes

Why it sounds suspended 2nd

A+2 fretsB+5 fretsE

Stacked from 2 intervals. Compare with Asus4 →

04

Where to go next

More A chords

Same root, other colours

Amaj7A7Aadd9A6Asus4Amaj9A6/9

Chords in the key of A

What Asus2 usually sits next to

I · Aii · Bmiii · C♯mIV · DV · Evi · F♯mvii° · G♯°

Close relatives

Relatives of A major

  • F♯mRelative minor of A major
  • AmParallel minor, lower the 3rd

Other Sus2 chords

Same quality, every root

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

Root

A
02

Quality

Sus2

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

Alterations need a 7th chord. Try A7 →

Why it sounds suspended 2nd

A+2 fretsB+5 fretsE

Stacked from 2 intervals. Compare with Asus4 →

03

How to play it

EADGBe2312345

Asus2

A suspended 2nd, Open

Bass
A, the root
Root
A
Strings
A D G B e · open
  • ARoot
  • BM2
  • EP5

Up the neck

6 voicings, same three notes
04

Where to go next

More A chords

Same root, other colours

Amaj7A7Aadd9A6Asus4Amaj9A6/9

Chords in the key of A

What Asus2 usually sits next to

I · Aii · Bmiii · C♯mIV · DV · Evi · F♯mvii° · G♯°

Close relatives

Relatives of A major

  • F♯mRelative minor of A major
  • AmParallel minor, lower the 3rd

Other Sus2 chords

Same quality, every root

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