<Tr> <Th> Artist </Th> <Th> Biggest selling album </Th> <Th> Period </Th> <Th> Genre </Th> <Th> Claimed Sales </Th> </Tr> <Tr> <Td> Cliff Richard </Td> <Td> Always Guaranteed </Td> <Td> 1958--present </Td> <Td> Pop / Rock / Rock N Roll / Jazz </Td> <Td> 260 million </Td> </Tr> <Tr> <Td> Pink Floyd </Td> <Td> The Dark Side of the Moon </Td> <Td> 1964--2014 </Td> <Td> Progressive rock </Td> <Td> 200 million </Td> </Tr> <Tr> <Td> The Rolling Stones </Td> <Td> Hot Rocks 1964 - 1971 </Td> <Td> 1962--present </Td> <Td> Rock / Blues rock </Td> <Td> 200 million </Td> </Tr>

Who sold more albums led zeppelin or the beatles