Cleveland’s Iconic Rock and Roll Hall of Fame is rocked by a massive explosion that sent priceless music memorabilia flying into Lake Erie and scattered around downtown. The Hall of Fame suffered catastrophic damage, and now tourists are scooping up artifacts including Prince’s Blue Angel guitar, John Lennon’s Sgt. Pepper jacket and someone was seen riding off on John Mellencamp’s motorcycle. A source says a faulty guitar-shaped firework caused the explosion --ar 16:9