Westminster Bridge (song)
From Tardis Wiki, the free Doctor Who reference
"Westminster Bridge" was a song written by Murray Gold and played by the BBC National Orchestra of Wales. It was used as incidental music in the soundtracks of Rose, Aliens of London, The Long Game, The Doctor Dances, Boom Town, The Parting of the Ways, The Christmas Invasion, New Earth, Fear Her and The Runaway Bride, although it is mainly attributed with Rose. It was released in the official soundtrack for the first and second series of Doctor Who on 4 December 2006.
Gold revealed in issue 363 of Doctor Who Magazine that "Westminister Bridge" was inspired by a Pixies song, "Celia Ann."