ANN ARBOR, MI — It’s official: a record-setting 112,408 fans were in attendance for the Zach Bryan and John Mayer concert at Michigan Stadium on Saturday, Sept. 27. Zach Bryan merchandise for sale before his concert at Michigan Stadium in Ann Arbor on Saturday, Sept. 27, 2025. Zach Bryan performs at Michigan Stadium in Ann Arbor on Saturday, Sept. 27, 2025. It broke the previous U.S. concert record set by country musician George Strait, who played for 110,905 at Texas A&M’s Kyle Field in 2024. See full setlists for John Mayer and Zach Bryan’s massive concert at Michigan StadiumWant more Ann Arbor-area news?