Persian guitar scale
See the Persian scale on a guitar fretboard, learn its notes and degrees, and practice it in any key.
What it is
A scale with a flat 2nd, a flat 5th and a flat 6th, and a major 3rd. Middle Eastern, exotic and tense.
How to use it
Play it over an augmented chord or a major 7♭5 chord in Middle Eastern style music. The flat 2nd and the flat 5th give the tension.