For country star Zach Bryan and the University of Michigan, there’s a magic number looming: 110,905. When Bryan performs at Michigan Stadium on Sept. 27, that's the attendance figure he’ll need to exceed to break the record for the biggest ticketed concert by a single act in U.

Just two days after country star Zach Bryan announced he would headline the first-ever concert at Michigan Stadium, he let fans know Friday that the historic show has sold out.

Grammy-winning and multi-Platinum recording artist, Zach Bryan, will headline Michigan Stadium’s first concert on Saturday, September 27. Also performing at this inaugural event will be 7-time Grammy-winner, John Mayer, along with Ryan Bingham and The Texas Gentlemen and Joshua Slone.