Mastodon - Crack The Skye (15th Anniversary Deluxe Edition Sky Blue Vinyl)Crack the Skye (15th Anniversary Deluxe Edition) 15th Anniversary Deluxe Edition of Mastodon's fourth studio album, Crack the Skye, on 2LP Sky Blue Vinyl. Disc 1 is the original album remastered while Disc 2, Crack the Skye: The Score, features instrumental versions of each track. Originally released in March 2009, the album features "Oblivion", "Divinations" "The Last Baron" and more. SIDE 1 1 Oblivion 2 Divinations 3 Quintessence 4 The Czar: Usurper