<Tr> <Th> 2.6 </Th> <Td> "Once Bitten" </Td> <Td> 12 October 1987 (1987 - 10 - 12) </Td> </Tr> <Tr> <Th> 2.7 </Th> <Td> "Kate Returns" </Td> <Td> 21 December 1987 (1987 - 12 - 21) </Td> </Tr> <P> The title music was composed by John Sullivan, who was also writer of the series . The theme tune was arranged by Ronnie Hazlehurst who was a composer for many BBC sitcoms . Joan Baxter provided the vocals to the song . </P> <P> Dear John appeared on video in 1998, three cassettes with both series and the Christmas special, under Playback Entertainment . </P>

Who sang the theme tune to dear john