B-sharp Lydian scale
The B-sharp Lydian 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 major scale with the fourth degree raised a half step.
The B-sharp Lydian scale is a mode of the F-double-sharp major scale. It contains the same notes but starts on the fourth degree of the major scale.