Unknown has been played over 10 times on NTS, first on 16 June 2017. Unknown's music has been featured on 10 episodes.

Unknown usually refers to a track by an unknown artist ([unknown]), which will not be scrobbled onto Last.FM. It can also refer to a placeholder artist for untitled tracks for album pre-releases on Apple Music.

Unknown may refer to several artists.

1: A rapper from California (album: Lyrical Arsonist). 2: A rapper from Virginia (real name: Jessey Ryan; album: Ghost Mode). 3: An American sludge metal band (album: Torn Lives and Tired Eyes). 4: A Dutch EDM producer (real name: Sebastian Hoff). 5: A British EDM musician (real name: Chris Hanna). 6: A Dutch dance group (stylized as Unkn?wn). 7: A Russian ambient musician (real name: Dmitry Shilov; album: Equinox).