Diamond Rio will sponsor driver Willie Allen at the ARCA RE/MAX PFG Lester 150 on Saturday afternoon (April 15) at Nashville Superspeedway. Carried on the Speed Channel, it is the first of two races. The NASCAR Busch Series Pepsi 300 will follow, and the winner will receive the Sam Bass-designed Gibson Les Paul trophy guitar. Category 5 recording artists Sammy Kershaw and Craig Hand will perform a post-race concert. The Pepsi 300 will air on FX.