<Ul> <Li> Tim Curry </Li> <Li> Susan Sarandon </Li> <Li> Barry Bostwick </Li> <Li> Richard O'Brien </Li> <Li> Patricia Quinn </Li> <Li> Nell Campbell </Li> <Li> Jonathan Adams </Li> <Li> Peter Hinwood </Li> <Li> Meat Loaf </Li> <Li> Charles Gray </Li> </Ul> <Tr> <Th> Narrated by </Th> <Td> Charles Gray </Td> </Tr> <Tr> <Th> Music by </Th> <Td> <Ul> <Li> Richard Hartley </Li> <Li> Songs: </Li> <Li> Richard O'Brien </Li> </Ul> </Td> </Tr> <Ul> <Li> Richard Hartley </Li> <Li> Songs: </Li> <Li> Richard O'Brien </Li> </Ul>

Who wrote the music for rocky horror picture show