Dale Earnhardt Jr. and Indianapolis 500 winner Juan Pablo Montoya have joined the roster of drivers who will sign autographs at the Sound & Speed event in Nashville on Jan. 11-12. Fellow drivers Clint Bowyer and Scott Wimmer will also appear at the fan event which brings together well-known personalities from the worlds of country music and NASCAR. Alan Jackson will headline the concert at the Sommet Center. Other musical guests include Taylor Swift, Jason Michael Carroll, Josh Gracin, the Wrights and Bryan White. The event benefits the Victory Junction Gang Camp and the Country Music Hall of Fame and Museum.