Bass guitar
From Tardis Wiki, the free Doctor Who reference
The bass guitar was a musical instrument.
Vastra claimed that Marcus Aurelius played the bass guitar in a band formed by the Doctor. (TV: Deep Breath)
James O'Meara played the bass for the Common Men. (AUDIO: 1963: Fanfare for the Common Men)
Clifford Banks was the bass player for the 63rd line-up of Pakafroon Wabster. (COMIC: Interstellar Overdrive)
The "Tremas" Master was the bass player in a band consisting of five incarnations of himself. (COMIC: The Abominable Showmen, The Five Masters)
