The Rock and Roll Hall of Fame will celebrate its 25th anniversary with two mammoth concerts at New Yorks Madison Square this October. Rock all of Famers Bruce Springsteen & the E Street Band, Stevie Wonder, Simon & Garfunkel and Crosby, Stills & Nash will perform on October 29, while u2, Aretha Franklin, Eric Clapton and Metallica will play the Garden on October 30. In addition, Paul Simon will play a solo set October 29 and a number of unconfirmed friends are expected to collaborate with CSN. A handful of acts will be added in the coming months. All net proceeds from this event will go to create a permanent endowment for the Rock and Roll Hall of Fame and Museum.