Trois Gymnopédies

From Tardis Wiki, the free Doctor Who reference
Trois Gymnopédies

Trois Gymnopédies was a musical piece composed by Satie.

During the early years of the Draconian purges, the First Doctor was in a tavern on Rigel where the first movement of the piece was being played on a keyboard instrument the Doctor had not seen before. (PROSE: Byzantium!)