Neapolitan Minor guitar scale
See the Neapolitan Minor scale on a guitar fretboard, learn its notes and degrees, and practice it in any key.
What it is
Phrygian with a major 7th: harmonic minor with a flat 2nd. Dark, classical and dramatic.
How to use it
Play it over a minor chord with a major 7th, and in classical sounding minor melodies that use the flat 2nd (the Neapolitan chord).