In episode 172, Simon has a sing-along in The Vic and Ian Beale requests "Every Loser Wins", which Simon plays but Lofty walks out because of the memories it brings.
In episode 172 of a show, Simon sings in The Vic, and Ian Beale asks for "Every Loser Wins". Simon performs the song, but Lofty leaves due to the song's connection to his past experiences.