Ab7(b5) chord
The A-flat dominant seventh flat five chord (abbreviated "Ab7(b5) chord") is a four-note chord consisting of the notes A♭, C, E♭♭, and G♭. The chord is formed by lowering the fifth of a A-flat dominant seventh chord a half step.
Name
A-flat dominant seventh flat five chord
Notes
A♭ C E♭♭ G♭
Intervals
1 3 ♭5 ♭7
Chord symbol
A♭7(b5)
Alternative symbol
A♭7b5
Type
Tetrad (four-note chord)