A Diminished Major 7th
Adim(maj7) · Root
Every chord tone stacked from the root up.
Click keys to experiment with the chord
A – C – E♭ – G♯
1 – b3 – b5 – 7
The Adim(maj7) chord sounds distinctive, with a diminished major 7th character. Its notes are A, C, Eb, G#. This chord is commonly heard in gypsy jazz.