Queen musical rocks into Theatre Alliance on dreams and melodies

James Crowe plays Upchurch/Oz's punked-out inamorato, Britney Spears, with wacky verve and admirable leaping and hopping. They await a savior who holds the key to creativity and will lead them back to the unmitigated joys and excesses of Rock. Their deliverer appears in the form of The Dreamer …