sentences:  Andrew Elvis Miller portrayed DiMitri in the 9th season.DiMitri held Nathan hostage and was later killed.The series has featured musical guests including Gavin DeGraw, Sheryl Crow, The Wreckers, Lupe Fiasco, Jimmy Eat World, Nada Surf, Michelle Branch, Pete Wentz, Fall Out Boy, Cheap Trick, Jack's Mannequin, Nick Lachey, Kid Cudi, and Dave Navarro.