whatAb13#9
Root Position
Ab C Eb Gb B F
Similar chords
Ab13#9#11
Ab C Eb Gb B D F
Ab7#9b13
Ab C Eb Gb B E
Ab7#9#11
Ab C Eb Gb B D
Ab Dominant Thirteenth
Ab C Eb Gb Bb F
Ab13b9
Ab C Eb Gb A F
Ab7b9#9
Ab C Eb Gb A B
Ab7add6
Ab C Eb Gb F
Ab Dominant Sharp Ninth
Ab C Eb Gb B
Ab7#9#11b13
Ab C Eb Gb B D E
Ab13#11
Ab C Eb Gb Bb D F