Adelitas Way and Rev Theory will perform a special free concert for the WWE Universe before The Bash in Sacramento, Calif.! The live concert is outside the Arco Arena this Sunday, June 28, at 2 p.m. PT, before The Bash.

Adelitas Way -- the band behind the "WWE Superstars" official theme song, "Invincible" (LISTEN | WWE.COM EXCLUSIVE) -- will be introduced by Raw Diva Kelly Kelly before their 2:10 p.m. performance. Then at 3 p.m., Rev Theory -- who provides Randy Orton's theme song, "Voices" (WATCH | RINGTONE) -- will perform for the WWE Universe. Afterward, Rev Theory will hold a special autograph signing at 3:30 p.m.

WWE Universe, don't miss your chance to see Adelitas Way and Rev Theory before The Bash this Sunday! This live concert event is free, and no tickets are necessary for this outdoor event.