B Blues: B D E F F# A. Formula 1 ♭3 4 ♭5 5 ♭7. The minor pentatonic with an added flat 5th, the blue note that gives the blues its bite.
B Blues: B D E F F# A. Formula 1 ♭3 4 ♭5 5 ♭7. The minor pentatonic with an added flat 5th, the blue note that gives the blues its bite.