He also had several surprise guests over the two shows, welcoming Eric Church for Friday's, while Miranda Lambert and Darius Rucker made unexpected appearances at Sunday's show. H

Wallen returned to Neyland on Sunday (the stadium was booked Saturday for a University of Tennessee football game), when he welcomed Lambert and Rucker. Lambert joined him for a performance of “Thought You Should Know,” the track they co-wrote together for One Thing at a Time, while Rucker and Wallen played — what else? — “Wagon Wheel.”