Happy Thanksgiving!  Welcome to this week’s Release Round-Up! Prince, Prince 4Ever (Warner Bros.) (Amazon U.S. / Amazon U.K. / Amazon Canada) This release actually came out on Tuesday, but it’s worth a reminder here: this first posthumous collection from the late, great artist premieres one previously unreleased track, and includes a number of single versions making their CD debuts.  Prince 4Ever is a 40-track summary of The Artist’s major works from his first album, 1978’s For You, to 1992’s The Love Symbol, Prince’s last release before he changed his name to the…