For those who do not know the background to this episode, Del goes in search of a partner to sing with his girlfriend Raquel...what Del does not know until Tony starts to sing is he can only sing songs without 'R's' in them....
http://www.youtube.com/watch?v=NjF7GMP28X8
http://www.youtube.com/watch?v=JVs3nQLja5U&feature=related
http://www.independent.co.uk/news/obituaries/john-sullivan-writer-who-created-the-classic-sitcom-only-fools-and-horses-as-well-as-citizen-smith-and-just-good-friends-2274354.html
