Aaron Lewis of Staind, Nuno Bettencourt of Extreme and Brent Smith and Zach Myers of Shinedown all performed separate acoustic covers of Stone Temple Pilots hits.
Not all performances of 'The Star-Spangled Banner' are created equal, and for a professional singer, there's nothing quite like the misery of having to own up to your own mangled rendition of the song after failing to deliver at a major event.
It's going to be one rocking spring, as the Rocklahoma Festival is the latest extravaganza to roll out a lineup for 2014. This year's event will find Five Finger Death Punch, Kid Rock, Staind, Twisted Sister, Deftones and Motorhead leading the three-day music weekend lineup.