Other artists set to perform include John Mellencamp, Margo Price, and more.
The event is set to take place in Dana Point, California on October 1-2, and will also feature sets from Sleater-Kinney, Brandi Carlile and others.
‘Live From The Other Side’ is out now.
The EP is out July 16.
Other artists set to perform include KT Tunstall, Margo Price, Yola, and more.
Margo Price, Sturgill Simpson, Jim Lauderdale, and Brittney Spencer are among the new additions confirmed for the 33rd MerleFest later this year.
Special guest supports on the tour include The Marcus King Band, Margo Price, Bahamas, Delta Spirit and Tré Burt.
The 14-date tour kicks off in Austin, Texas this August.
‘Long Live the King is a song about three extraordinary men who changed the course of history for the better.’
Others on the bill include Sarah Jarosz, Tanya Tucker, and local heroes My Morning Jacket.
The full concert airs this Friday, March 26.
The clip sees the two great Americana artists and Rateliff's band the Night Sweats combine for a spirited 'Say It Louder.'
The long-running series resumes production with the pair on March 29.
The visual explores ‘all things I’ve struggled with in my life,’ explained Price.
The star-studded virtual event raises funds for the artist’s TeachRock organization.