<Table> <Tr> <Th_colspan="2"> "As Time Goes By" </Th> </Tr> <Tr> <Th_colspan="2"> Song by Frances Williams </Th> </Tr> <Tr> <Th> Written </Th> <Td> 1931 </Td> </Tr> <Tr> <Th> Published </Th> <Td> 1931 </Td> </Tr> <Tr> <Th> Songwriter (s) </Th> <Td> Herman Hupfeld </Td> </Tr> </Table> <Tr> <Th_colspan="2"> "As Time Goes By" </Th> </Tr> <Tr> <Th_colspan="2"> Song by Frances Williams </Th> </Tr> <Tr> <Th> Written </Th> <Td> 1931 </Td> </Tr>

Who sings as time goes by theme song