<Tr> <Td> Hungary (Single Top 40) </Td> <Td> </Td> </Tr> <Tr> <Td> Ireland (IRMA) </Td> <Td> </Td> </Tr> <Tr> <Td> Italy (FIMI) </Td> <Td> 11 </Td> </Tr> <Tr> <Td> Japan (Japan Hot 100) </Td> <Td> 31 </Td> </Tr>

Who sang on do they know it's christmas 1984