Z Rock is an American television series, which airs on the IFC in the United States.The show is a semi-scripted comedy and is based on the double life of a Brooklyn band, ZO2. By night, they are a hard rock band but to pay the bills, they are the Z Brothers by day, playing kiddie parties. ZO2 consists of brothers Paulie Z, David Z and their childhood friend Joey Cassata.The series is filmed and produced in New York City by Mark Mark Productions.