Another rock festival has announced its line up.  Rocklahoma 2012 is a annual three-day festival that will take place over Memorial Day weekend in Pryor, Oklahoma. Rob Zombie, Chickenfoot, Creed, Megadeth, Slash, Queensryche, Chevelle, Theory of a Deadman, Puddle of Mudd, Cavo, Adelitas Way, Black Stone Cherry, P.O.D., Hellyeah, Jackyl and Trivium are just some of the bands who'll be performing on the festival's three stages. General admission and VIP packages for Rocklahoma go on sale February 24 at 10 a.m. CT via Ticketmaster and Rocklahoma.com. An Internet presale will be held from Wednesday, February 22 at 10 a.m. CT through Thursday, February 23 at 10 p.m. CT. You can get access by going to Rocklahoma.com and signing up to receive their newsletter. Buying early will save you money, as prices will increase in the coming weeks.