Conversation so far:
how many episodes are in luther season 4
There are two episodes in Luther, series 4.
did the lead actor of the series luther receive any awards
Idris Elba has been awarded a Critics' Choice Television Award, Golden Globe Award, and Screen Actors Guild Award for his performance as John Luther
what inspired the creation of the series luther
Creator Neil Cross has said that Luther is influenced by both Sherlock Holmes and Columbo
who composed the soundtrack of luther
Paul Englishby composed Luther's soundtrack.

Question: who performs the opening theme song
Self-contained rewrite: who performs the opening theme song of luther