Extended · A root
A11
Dense and atmospheric. The 11th adds a suspended quality over the dominant.
Notes in A11
A is the reference pitch (A440). Very common in rock and pop — the vi chord in C major.
Identify the Chord Quality on A
Each chord below is played on A. Listen and identify whether you heard A11, Am, A7, or another quality — the hardest and most useful ear training skill.
11th in All 12 Keys
Other Chords in A
Related Extended
About the A11 Chord
The A11 chord is a 11th chord built on A. It contains the notes A, C#, E, G, B, D — the root, third, fifth, seventh, and extensions.
Dense and atmospheric. The 11th adds a suspended quality over the dominant. Practising the A11 chord across different voicings and contexts builds the harmonic recognition that lets you identify it instantly in any musical setting — whether in a band mix, a recording, or a live performance.