A♭ Add 2
Abadd2 · Root
Every chord tone stacked from the root up.
Click keys to experiment with the chord
A♭ – B♭ – C – E♭
1 – 2 – 3 – 5
Same pitch classes as add9 (both contain root, 2nd/9th, 3rd, 5th). The difference is voicing: add2 places the 2nd adjacent to the root within the first octave.
The Abadd2 chord sounds distinctive, with a add 2 character. Its notes are Ab, Bb, C, Eb. This chord is commonly heard in pop music.