Wallen will perform at the Bridgestone Arena on March 3, following the release of his new record, One Thing At A Time.
The Louisville native will be joined by Chase Matthew, Yung Gravy, Austin Snell and more.
Emmylou Harris, The Infamous Stringdusters, Greensky Bluegrass and more are set to take the Mill Spring stage in September.
The Outer Banks and Nashville star is currently readying his debut studio album.
They join the already announced headliners, Kane Brown and Chris Stapleton.
Combs’ shows will be also feature a special writer's round with Ray Fulcher, Drew Parker and James McNair.
