A Dominant 7th Flat 13
A7b13 · Root
Every chord tone stacked from the root up.
Click keys to experiment with the chord
A – C♯ – E – G – F
1 – 3 – 5 – b7 – b13
Sometimes distinguished from 7#5 in certain voicing contexts — the natural 5th is retained alongside the b13.
The A7b13 chord sounds distinctive, with a dominant 7th flat 13 character. Its notes are A, C#, E, G, F. This chord is commonly heard in jazz.