Montgomery Gentry will headline the fourth annual Sound & Speed concert on Jan. 9 in Nashville. The following day, NASCAR drivers Dale Earnhardt Jr. and Michael Waltrip will sign autographs at the event, along with country singers Josh Turner and Jason Michael Carroll, among others. Additional drivers at the event include Reed Sorensen, Jamie McMurray and David Stremme. More drivers and country artists will be announced in the coming weeks. Proceeds benefit the Victory Junction Gang Camp and the Country Music Hall of Fame and Museum.