A musician was an individual that composed or performed music.
Whilst in 1006 Ireland, the Monk called himself "Abbot Thelonius". This alias was a pun based on the legendary jazz musician Thelonius Monk. (AUDIO: The Book of Kells)
Chuck Berry's music was included in NASA's message to the stars in the 1970s. (TV: A Day in the Death)
Stevie Wonder met the Doctor and River Song, and travelled with them to 1814 where he performed at the frost fair of that year, not realising he was performing in another time period. (TV: A Good Man Goes to War)
Almost nothing was known of Bob Dylan or the Beatles by Bernice Summerfield's time. (PROSE: The Dead Men Diaries)