F Lydian ♯5 ♭7 Scale
F Lydian ♯5 ♭7 contains 7 notes: F, G, A, B, C♯, D, E♭. It has 1 sharp: C♯. The step pattern is W–W–W–W–H–H–W.
A bright dominant mode that adds augmented tension to Lydian dominant. The #5 stretches the dominant framework upward while the b7 maintains the unresolved quality that demands resolution.
The formula is 1, 2, 3, #4, #5, 6, b7. The #4 and #5 create an ascending chromatic cluster that pushes melodic lines upward, while the b7 maintains dominant chord quality. It works over dominant 7th #5 #11 chords and provides a rich, complex sound for jazz improvisation.
Think of Lydian dominant with a raised 5th. The #5 adds an extra stretch to your dominant shapes. Use it over non-functioning dominant chords where you want maximum upward tension. Practice connecting the #4-#5 cluster with smooth legato technique.