Rose Theatre, LondonDidactic two-hander sees trailblazer Sister Rosetta Tharpe face down racism with song as she tours the segregated US south with her fawning protege With her coffee table-size electric guitar and a voice capable of belting out gospel melodies over reverberating distortion, Sister Rosetta Tharpe, AKA the godmother of rock'n'roll, carries a formidable legacy. One of the first gospel singers to find m…
