Welcome to this week’s Release Round-Up! Prince, Purple Rain: Music from the Motion Picture (various formats) (Warner Bros.) 2CD: Amazon U.S. / Amazon Canada / Amazon U.K. 3CD/1DVD: Amazon U.S. / Amazon Canada / Amazon U.K. LP: Amazon U.S. / Amazon Canada / Amazon U.K. At long, long last – a deluxe, expanded Purple Rain arrives in various formats, including a 2-CD iteration with 11 previously unreleased outtakes and a 3-CD/1-DVD version adding a third CD of 15 single edits and remixes and a DVD of 1985’s Prince and the Revolution Live! …