Cliff Robert Martinez is an American musician and composer. Early in his career, Martinez was known as a drummer notably with the Red Hot Chili Peppers and Captain Beefheart. Since the 1990s, he has worked primarily as a film score composer, writing music for Spring Breakers, The Foreigner, and multiple films by Steven Soderbergh and Nicolas Winding Refn.

The Neon Demon is a 2016 psychological horror film directed by Nicolas Winding Refn, co-written by Mary Laws, Polly Stenham, and Refn, and starring Elle Fanning. The plot follows an aspiring model in Los Angeles whose beauty and youth generate intense fascination and envy within the fashion industry. Supporting roles are played by Karl Glusman, Jena Malone, Bella Heathcote, Abbey Lee, Desmond Harrington, Christina Hendricks, and Keanu Reeves.