Frank brings his Nashville-based team, plus a roster that includes Greta Van Fleet, Marcus King and St. Paul and the Broken Bones.
The May 1 event is aimed at supporting educators and school staffers following the recent mass shooting in Nashville.
President Portia Sabin says she's received calls from projected attendees for the annual Music Biz conference in Nashville who are "afraid" of the state's latest laws.
The country star is averaging $5 million per show at stadiums, with a Nashville double-header opening tonight at Nissan Stadium.
The Fisher Center at Belmont University hosted "A Night of Joy: Celebrating the Covenant School"
The Wildhorse Saloon will be reimagined as a Combs-inspired venue.
Natalie Osborne and Daniel Lee also join the new venture.
All ticket proceeds from the concert, to be held April 12, will benefit the school.
The departures come as Cindy Mabe officially began her role as UMG Nashville chairman/CEO on April 1.
The news comes a week after her trio, The Band Perry, announced it would be taking a break to allow each member to focus on individual creative pursuits.
