CMT Awards: Willie Nelson, Band Perry Join Performers
Willie Nelson performs at Route 66 Casino�s Legends Theater on December 12th, 2009 in Albuquerque, New Mexico. Getty

The 2012 CMT Music Awards has added some country heroes to its lineup.

Willie Nelson, Rascal Flatts, the Band Perry and Hank Williams Jr. are all set to perform at the awards show, Billboard has learned.

The new acts will join Kenny Chesney, Lady Antebellum, Little Big Town, Brad Paisley, Carrie Underwood and Zac Brown Band among the announced performers.

Toby Keith and actress Kristen Bell will host the annual award show, which airs live from Nashville on Wednesday, June 6 at 8 p.m. ET/PT. Carrie Underwood leads the nominations with five nods, with Miranda Lambert (four), Taylor Swift (three) and the Civil Wars (three) close behind.