SOUNDGARDEN to Celebrate 20th Anniversary of Superunknown LP Superunknown Reissue Package out May 30, 2014 via A&M Records/USM Two Deluxe Editions including Rare Demos and Rehearsal Recordings and More Limited Edition Five 10-inch Vinyl Set of Superunknown: The Singles Available on Record Store Day – April 19 “The best albums define their time, then transcend it. Superunknown is an honest monument to its era and birthplace. Superunknown is also […]