<Tr> <Td_colspan="2"> <Table> <Tr> <Td> "Stones of Years" (1971) </Td> <Td> "Nutrocker" (1971) </Td> <Td> "From the Beginning" (1972) </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> "Stones of Years" (1971) </Td> <Td> "Nutrocker" (1971) </Td> <Td> "From the Beginning" (1972) </Td> </Tr> </Table> <Tr> <Td> "Stones of Years" (1971) </Td> <Td> "Nutrocker" (1971) </Td> <Td> "From the Beginning" (1972) </Td> </Tr> <Tr> <Th_colspan="2"> Pictures at an Exhibition track listing </Th> </Tr>

Who wrote the music for the nut cracker