John Smith and the Common Men

John Smith and the Common Men was a music group in 1960s England. John Smith was the stage name of the honourable Aubrey Waites, who started his career as Chris Waites and the Carollers. In November 1963, they went from 19 to 2 in the British charts. Susan Foreman was fond of their music, and Ian Chesterton had also heard of them. (DW: An Unearthly Child)

In 1965, Dodo Chaplet listened to John Smith and the Common Men, but thought that they were "a bit past it". (PDA: Salvation)

During one UNIT Christmas party, the Doctor provided the music, which included John Smith and the Common Men. (ST: UNIT Christmas Parties: First Christmas)

In 1997, while the Doctor and Bernice Summerfield searched Timothy Todd's flat, Benny discovered a cassette entitled Twang: More Than Thirty Years of John Smith and the Common Men. (NA: The Dying Days)

Behind the scenes
The song used in An Unearthly Child was called "Three Guitars Mood 2" by Nelson & Raymond/The Arthur Nelson Group, and was released on the Doctor Who Appreciation Society cassette Space Adventures - Music from Doctor Who 1963-1968 in 1987.