B.o.B, X Ambassadors, R. City, Phases

Young Hollywood’s “Backstage Diaries” gives you an all-access pass to some of your favorite musical acts. This time around, we catch up with B.o.B as rehearses for his performance at the BMI Hip Hop Awards; X Ambassadors reveal how they came up with their band name and recount their long close-knit history together; brother act R. City, AKA Rock City, have a listening party for their album ‘What Dreams Are Made Of’; and we hang out with indie-pop band Phases at Warner Bros. Records as they prepare to play the elite Summer Sessions party for the label.