The B Phrygian dominant scale has 7 notes: B – C – D♯ – E – F♯ – G – A. Phrygian dominant (Spanish Phrygian) is the fifth mode of harmonic minor: a major 3rd with a ♭2 and ♭6. It is the sound of flamenco, Middle Eastern melodies and many Bollywood songs.
Compared with the B major scale it has ♭2 (C instead of C♯), ♭6 (G instead of G♯), ♭7 (A instead of A♯).
The explorer above is set to B Phrygian dominant: the whole neck is mapped, and you can zoom into any of its 7 positions, change the labels to degrees or fingers, and hear it up, down and in patterns.