"Grateful Dead: The Long, Strange Trip" will open at the Cleveland museum on April 12th, right before the Hall Of Fame's annual induction ceremony.The massive exhibit will feature several iconic instruments including five Jerry Garcia guitars, and many handwritten lyrics and artifacts from the band's 30-year history. The Grateful Dead Archive at the University of California-Santa Cruz has loaned a significant number of the historic items, which will be on display at the Hall through December.