<Tr> <Th> Starring </Th> <Td> Present cast Former cast </Td> </Tr> <Tr> <Th> Theme music composer </Th> <Td> Eric Spear </Td> </Tr> <Tr> <Th> Opening theme </Th> <Td> "Coronation Street theme" </Td> </Tr> <Tr> <Th> Ending theme </Th> <Td> "Coronation Street" (instrumental) </Td> </Tr>

How far in advance do coronation street film