Indie

Indie was slang for a style of Earth music.

Lucy Skinner listened to indie music. She liked the bands: Women of War, Rain Green, Giddy Nuisance and The Motorboats. (TV: The Last Sontaran)

Behind the scenes
The song "The Only One" by the American indie rock band Manchester Orchestra was played in the last ten minutes of A Christmas Carol. It was not credited on original transmission, but did appear on the episode soundtrack.