<Li> Columbia (US) </Li> <Tr> <Th> Songwriter (s) </Th> <Td> Roger Waters </Td> </Tr> <Tr> <Th> Producer (s) </Th> <Td> <Ul> <Li> Bob Ezrin </Li> <Li> David Gilmour </Li> <Li> James Guthrie </Li> <Li> Roger Waters </Li> </Ul> </Td> </Tr> <Ul> <Li> Bob Ezrin </Li> <Li> David Gilmour </Li> <Li> James Guthrie </Li> <Li> Roger Waters </Li> </Ul>

You are just another brick in the wall meaning