<Tr> <Th> Genre </Th> <Td> <Ul> <Li> Children's television series </Li> <Li> Adventure </Li> <Li> Drama </Li> <Li> Science Fiction </Li> </Ul> </Td> </Tr> <Ul> <Li> Children's television series </Li> <Li> Adventure </Li> <Li> Drama </Li> <Li> Science Fiction </Li> </Ul> <Li> Children's television series </Li> <Tr> <Th> Created by </Th> <Td> Sid & Marty Krofft, Allan Foshko and David Gerrold (uncredited) </Td> </Tr>

Who sang the land of the lost theme song