Martin and Sam welcome their new guest host Callum Hughes, immediately getting side-tracked by old sitcom themes and how old Geoffrey Palmer might be. Casablanca misquotes, internal rhyming structures, intertextuality and depression - all on Song by Song.

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Music extracts used for illustrative/review purposes include:
Bad Liver and a Broken Heart (In Lowell), Small Change, Tom Waits (1976)

Old Red Eyes Is Back, 0898 Beautiful South, The Beautiful South (1992)

Play It Sam… Play "As Time Goes By", Casablanca Original Motion Picture Soundtrack, Ingrid Bergman/Dooley Wilson/Humphrey Bogart (1997/2013)

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