Aadd4

Added · A root

Aadd4

A major triad with an added 4th. Creates a layered, clustered sound.

0 st4 st5 st7 st

Notes in Aadd4

ARoot
C#3rd
D5th
E7th

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 Aadd4, Am, A7, or another quality — the hardest and most useful ear training skill.

Add 4 in All 12 Keys

Other Chords in A

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About the Aadd4 Chord

The Aadd4 chord is a add 4 chord built on A. It contains the notes A, C#, D, E — the root, third, fifth, and seventh.

A major triad with an added 4th. Creates a layered, clustered sound. Practising the Aadd4 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.