Former Smiths guitarist Johnny Marr joined composer Hans Zimmer and a 20-piece orchestra last night in Hollywood to perform the score to “Inception,” the new mind-twister from “The Dark Knight” director Christopher Nolan. In the video above, shot a the film’s premiere, an interview with Zimmer and Marr begins at about the 5:20 mark, and Marr starts playing at about 8:50.