Question: who wrote the theme song for ncis los angeles
Answer: NCIS : Los Angeles Genre Police procedural Military Action drama Created by Shane Brennan Starring Chris O'Donnell Peter Cambor Daniela Ruah Adam Jamal Craig LL Cool J Linda Hunt Barrett Foa Eric Christian Olsen Renée Felice Smith Miguel Ferrer Nia Long Theme music composer James S. Levine Composer ( s ) Jay Ferguson ( 2010 -- present ) James S.