Hunter Hayes Rocks 200,000 at the Age of 5 This Day in Country Music – June 14th (Video)Hunter Hayes Rocks 200,000 at the Age of 5 This Day in Country Music – June 14th (Video)1997 - Hank Williams Jr. welcomes a surprise guest, five-year-old Hunter Hayes, to play for 200,000 people at the Texas Motor Speedway in Fort Worth.Sean EricsonSean Ericson