<Tr> <Th> Songwriter (s) </Th> <Td> <Ul> <Li> Guy Berryman </Li> <Li> Jonny Buckland </Li> <Li> Will Champion </Li> <Li> Chris Martin </Li> </Ul> </Td> </Tr> <Ul> <Li> Guy Berryman </Li> <Li> Jonny Buckland </Li> <Li> Will Champion </Li> <Li> Chris Martin </Li> </Ul> <Tr> <Th_colspan="2"> Darin Zanyar singles chronology </Th> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Td> "Karma" (2009) </Td> <Td> "Viva la Vida" (2009) </Td> <Td> "You're Out of My Life" (2010) </Td> </Tr> </Table> </Td> </Tr>

What does the song viva la vida really mean