Amaj9
Major 9 · A – C♯ – E – G♯ – B
- AR
- C♯3
- E5
- G♯7
- B9
hear it, browse voicings, or tap notes to name any chord
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the Amaj9 chord
The Amaj9 chord (major 9) is made up of 5 notes — A is the root, C♯ the major third, E the perfect fifth, G♯ the major seventh and B the ninth. It extends a major seventh chord with a ninth for an even lusher, more open sound.
On guitar, Amaj9 chords are most often played in open position: 502424. Let the open A string ring out. The diagrams above show 4 playable voicings in all.
Major-ninth chords are especially lush and open, a favorite in soul, neo-soul and jazz.
Common questions
- What notes are in the Amaj9 chord?
- The Amaj9 chord contains the notes A, C♯, E, G♯ and B.
- How do you play Amaj9 on guitar?
- A common open-position shape is 502424. The diagrams above show 4 playable voicings you can strum or hear.
- What intervals make up the Amaj9 chord?
- The Amaj9 chord is built from the root (A), a major third (C♯), a perfect fifth (E), a major seventh (G♯) and a ninth (B).
More than a chord chart
The chart above is just the start. Open Amaj9 in the finder to hear it on guitar and piano and browse every playable voicing side by side. Or switch to Name my chord — tap frets or keys and MobileChords identifies the chord you're playing, inversions and slash chords included.