For the Suggestion Box entry to the "Musicians on Film" cycle, Julian, Madeline and Emilio emerge from seed pods and go one louder for a conversation about 'This is Spinal Tap', Rob Reiner's hilarious and influential mockumentary from 1984 chronicling the US tour of England's loudest band. The trio dig into the film's origins, the improvised acting, the ways in which the movie both lampoons and embraces the music industry, the things it borrowed from and what it foreshadowed about music...