Lydian b7 scale for guitar
As the name indicates, the Lydian b7 is a Lydian scale with a lowered seventh. The Lydian b7 is the fourth mode of the melodic minor scale. The Lydian b7 is great for dominant 7th chords as an alternative to mixolydian.
Intervals: 1 - 1 - 1 - 0.5 - 1 - 0.5 - 1
Chord fit: 7th chords, 9th, 13th