Cop Rock attempted to combine police procedural with musical theatre, the former a genre in which Bochco had already been very successful with Hill Street Blues. The series centered on the LAPD and featured an ensemble cast that mixed musical numbers and choreography throughout storylines. For example, one courtroom scene in the pilot episode had the jury break into song, proclaiming their verdict on the defendant ("He's Guilty") Gospel-style. Another episode had a lineup of Hispanic suspects proclaim in song "We're the local color with the coppertone skin / And you treat us like we're guilty of some terrible sin."