The boys will be taking part in the "United We Stand" benefit concert at RFK Stadium in Wash., DC on October 21, from Noon-8PM. Other artists scheduled to appear include P Diddy All Stars, Aerosmith, Maxwell, James Brown, Al Green, Mick Jagger, Michael Jackson, Matchbox 20 & Bette Midler plus celebrities, politicians, sports stars and more to be announced. All proceeds will go to the American Red Cross and The Salvation Army. MTV will be broadcasting the event live. Stay tuned for more details.