dont know if it has been posted yet but

LL Cool J and Daddy Yankee have been added to the 10th
and Sean Paul and T.I for the 15th


March 8th: Matchbook Romance and Lil' Wayne
March 9th: Hawthorne Heights and Juelz Santana
March 10th: All American Rejects, L.L. Cool J and Daddy Yankee
March 15th: Three 6 Mafia, Sean Paul and T.I.
March 16th: HelloGoodbye and Armor for Sleep