The Temptations and The Four TopsLionel RichieSantana & The Doobie BrothersJosh Groban & Jennifer HudsonDarius RuckerThe Guess Who! John Mellencamp! Hank Williams Jr.! Emmylou Harris & Graham Nash: Two Legends, One Legendary Evening! Chicago! Coral Reefer Band! Bonnie Raitt! Motley CrueToto! Tim McGraw! Billy Idol!