Darius Rucker and his friends helped raise $48,720 for St. Jude Children's Hospital during a charity concert in Nashville, according to figures released Wednesday (June 9). Rucker hosted the concert at the Wildhorse Saloon on Monday night (June 7) with guests Radney Foster, Randy Houser, Jamey Johnson, Jake Owen and surprise guest Kid Rock. Rucker also performed his new single, "Come Back Song," for the first time at the event. The single will impact radio on June 28. It's the first release from his upcoming Capitol Nashville album expected to be released in October.