Piano chords › A add9
Symbol: Aadd9 · Notes: A – C♯ – E – B
A major chord with an added ninth (the second, an octave higher): richer and more modern than the plain major chord, very common in pop.
A · Am · A7 · Amaj7 · Am7 · Asus2 · Asus4 · Adim · A+ · A6 · Am6 · Adim7 · Am7♭5