Shirley Bassey

Shirley Bassey was a singer from the 20th century. The second incarnation of Iris Wildthyme resembled Bassey in her prime. Iris had a tape of Bassey singing the song What Now, My Love?. (PROSE: Bafflement and Devotion)

The Doctor once met Bassey, and experienced a similar excitement to when he confronted "real" ghosts in an underwater base, the Drum. (TV: Under the Lake)