Eminem is celebrating the 20th anniversary of “The Eminem Show” with an expanded edition of the album, which features previously unreleased tracks, live recordings and instrumental tracks from the smash 2002 set. The collection’s 18 bonus tracks include four previously unreleased cuts, “Stimulate,” “The Conspiracy Freestyle,” “Bump Heads” and “Jimmy, Brian and Mike,” as well as instrumentals of hits such as “Without Me,” “Sing for the Moment” and “Cleanin’ Out My Closet” and live versions of the “Marshall Mathers LP” tracks “The Way I Am” and “The Real Slim Shady.” The full expanded edition of…