Skip to content
guitarchords
ChordsKeysScale Degree MapPath Map
/
  • No chord matches

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

ChordsKeysScale Degree MapPath MapSource
  1. Chords
  2. /
  3. A
  4. /
  5. Major

A major (A)

ARoot
C♯Maj 3
EPerf 5

Happy and bright. The foundation of most pop, rock, and folk music. Used extensively in I-IV-V progressions.

Notes
AC♯E
Formula
1 · 3 · 5
Type
Major triad
03

How to play it

EADGBe12312345

A

A major, Open

Bass
A, the root
Root
A
Strings
A D G B e · open
  • ARoot
  • C♯M3
  • EP5

Up the neck

6 voicings, same three notes

Why it sounds major

A+4 fretsC♯+3 fretsE

Major third on the bottom, minor third on top. Flip them and you get A minor. Compare with Am →

04

Where to go next

Add color to A

Same root, one more note

Amaj7A7Aadd9A6Asus2Asus4Amaj9A6/9

Chords in the key of A

What A usually sits next to

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

Close relatives

Share 2 of 3 notes with A

  • F♯mRelative minor, same notes + F♯
  • AmParallel minor, lower the 3rd

Other Major chords

Same quality, every root

CC♯DE♭EFF♯GA♭AB♭B
01

Root

A
02

Quality

Major

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

Alterations need a 7th chord. Try A7 →

Why it sounds major

A+4 fretsC♯+3 fretsE

Major third on the bottom, minor third on top. Flip them and you get A minor. Compare with Am →

03

How to play it

EADGBe12312345

A

A major, Open

Bass
A, the root
Root
A
Strings
A D G B e · open
  • ARoot
  • C♯M3
  • EP5

Up the neck

6 voicings, same three notes
04

Where to go next

Add color to A

Same root, one more note

Amaj7A7Aadd9A6Asus2Asus4Amaj9A6/9

Chords in the key of A

What A usually sits next to

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

Close relatives

Share 2 of 3 notes with A

  • F♯mRelative minor, same notes + F♯
  • AmParallel minor, lower the 3rd

Other Major chords

Same quality, every root

CC♯DE♭EFF♯GA♭AB♭B
A major