Zac Brown Band & Sam Hunt To Play Welcome Back STL Concert While concerts are coming back. Some of the biggest stadium shows decided to postpone until next summer. Yet the St. Louis Cardinals, Anheuser-Busch, and Synergy Productions have put together the only live music stadium show in St. Louis, and it features Sam Hunt and the Zac Brown Band at Busch Stadium. Zac Brown will bring "The Comeback Tour" to St. Louis on Friday, August 13. Serving as the opener for the "Welcome Back STL Concert" will be Sam Hunt. This will be the first time the Zac Brown Band and Sam Hunt grace the same stage. And the first time the Zac Brown Band plays Busch Stadium.