<Tr> <Th> Label </Th> <Td> <Ul> <Li> Big Machine </Li> <Li> Republic </Li> </Ul> </Td> </Tr> <Ul> <Li> Big Machine </Li> <Li> Republic </Li> </Ul> <Tr> <Th> Songwriter (s) </Th> <Td> <Ul> <Li> Taylor Swift </Li> <Li> Max Martin </Li> <Li> Shellback </Li> </Ul> </Td> </Tr> <Ul> <Li> Taylor Swift </Li> <Li> Max Martin </Li> <Li> Shellback </Li> </Ul>

Who sings shake it off shake it off