San Antonio Stock Show and Rodeo: Flatland Cavalry brings the Texas country and folk band to Frost Bank Center for a rodeo-season night out. Flatland Cavalry is known for its rowdy, storytelling take on country and folk, with a sound that feels right at home in Texas. Frost Bank Center is a big indoor arena, so the energy carries from the floor to the top rows. It's a great pick for anyone who loves live country music.