Pink Floyd

Pink Floyd was a music group.

The Sixth Doctor liked Pink Floyd, especially the album. (PROSE: Business Unusual)

Ace was reminded of the Pink Floyd lyric, "There's someone in my head, but it's not me", when she heard Azathoth's voice. (PROSE: All-Consuming Fire)

Sam Jones didn't like Pink Floyd. (PROSE: The Scarlet Empress)

Fitz Kreiner once tried to play "" by Pink Floyd on his electric guitar. Anji Kapoor had thought he was playing a version of the tune to the TV series. (PROSE: The Slow Empire)

Chris Cwej knew about Battersea Power Station from listening to Pink Floyd's as a student. (PROSE: Anteus)

Behind the scenes
The Twelfth Doctor whistled part of the melody of  when Clara gave some children into trouble in TV: The Caretaker.