National Shramrock Fest at RFK Stadium:

The National ShamrockFest is the largest Saint Paddy's festival in the Mid-Atlantic Region, featuring more than 40 live bands and DJ's and endless party zones & activities. Enjoy a day-long festival of Rock, Irish, Blues, Retro and Folk music, as well as food, drinks and dozens of outrageous activities. In its 10th anniversary year, the musical lineup is the festival's best ever. Making their festival debut is The Roots, a critically acclaimed Philadelphia-based band described by Rolling Stone Magazine as "one of the greatest live acts in the world." Other headlining acts include Train, whose recently released single "Hey Soul Sister" is a Billboard Top 10 hit, Mr. Greengenes and Carbon Leaf.