Only a handful of tickets remain for alt-country singer-songwriter Zach Bryan’s upcoming two-night run at Frost Bank Center. Frost Bank Center officials confirmed that Bryan’s Tuesday, July 30, show is already sold out and only a few single tickets remain for Wednesday, July 31. Jonathan Samaniego, a representative for the Frost Bank Center box office, described the number of tickets for the Wednesday show as “12 tops” but added that things can change leading up to the event.