The lineup for the 2015 Volunteer Jam was already filled with country music's heavy hitters, but now, even more all-star artists have been added to the event.

Trace AdkinsCraig Morgan, Ted Nugent, Tracy Lawrence, Colt Ford, the Oak Ridge Boys and Michael W. Smith are now set to join in on the action alongside previously announced performers Montgomery GentryTravis TrittBilly Ray Cyrus, the Kentucky Headhunters, the Outlaws and Lee Roy Parnell.

The 2015 Volunteer Jam is set to take place for the first time at Nashville's Bridgestone Arena on Aug. 12. Sean Hannity and Storme Warren are on tap to co-host the show, a yearly tradition begun by Charlie Daniels in 1974. Proceeds will benefit the Journey Home Project and the Predators Foundation.

"I'm very excited to continue the Jam tradition," Daniels says. "I hope to see more Nashville Volunteer Jams in the future. I'm very, very excited to continue the Jam tradition 40 years later. Ain't it good to be alive, and be in Tennessee."

Tickets for the 2015 Volunteer Jam are on sale here.

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