McCartney, Kanye, Bruce, Bon Jovi, Billy Joel, Alicia Keys to Rock For Sandy Relief Mark your calendar: December 12, 2012 at Madison Square Garden. Hidden Track’s got the scoop on who will be performing at a mega-concert for Sandy relief organized by the same folks who put on the post-9/11 relief show: “Jon Bon Jovi, Billy Joel, Alicia Keys, Paul McCartney, Bruce Springsteen & the E Street Band, Roger Waters, Kanye West and The Who have all signed on to perform with more artists to be announced soon.” • SEE ALSO: 25 Amazing Acts of Kindness After Superstorm Sandy If you can’t wait that long, and if you enjoy more indie sensibilities anyway, there’s an Occupy Sandy benefit concert at a church in Brooklyn Heights (St. Ann & the Holy Trinity) on Saturday from noon to 5 pm: Vampire Weekend, members of the Walkmen, members of the Dirty Projectors, Real Estate, Devendra Banhart, Cass McCombs and others will play. SEE ALSO: • Sh!t Storm: Powerless South Shore Residents Getting No Answers • MTV’s ‘Jersey Shore’ Sandy Fundraiser and More Web Goodness • Hundreds of NYC Marathoners Help Sandy-Ravaged Staten Island Follow Us