Fresh from an appearance on "Late Night with David Letterman," Gainesville native John Lancaster is scheduled to appear tonight with country music singer Gary Allan on "The Tonight Show with Jay Leno," 11:35 p.m., NBC-11.

Gary Allan’s "Watching Airplanes" is No. 4 this week on Billboard’s hot country songs.

Lancaster is on the road with Allan, who is getting ready for a stadium tour with Kenny Chesney. Tickets are already on sale at Ticketmaster for the July 13 appearance at Turner Field.