B-sharp Phrygian scale
The B-sharp Phrygian scale is a seven-note scale consisting of the notes B♯, C♯, D♯, E♯, F, G♯, and A♯. The scale corresponds to a B-sharp natural minor scale with the second degree lowered a half step.
The B-sharp Phrygian scale is a mode of the G-sharp major scale. It contains the same notes but starts on the third degree of the major scale.