<Tr> <Th> Spain </Th> <Td> November 12, 2013 </Td> </Tr> <Tr> <Th> Australia </Th> <Td> November 15, 2013 </Td> <Td> CD </Td> </Tr> <Tr> <Th> Germany </Th> <Td> November 22, 2013 </Td> <Td> CD, digital download, LP </Td> </Tr> <Tr> <Th> France </Th> <Td> November 25, 2013 </Td> </Tr>

Who sings with bruno mars on if i knew