11:30 a.m. Update:Read TIME’s report from backstage at the epic 12-12-12 concert, and check out the 12 most iconic images from the music marathon How many music legends can you gather under one roof?

NBC wrangled some of entertainment’s best-known New Jersey and New York natives — as well as other superstars who lent their support — for an hour-long live concert Friday to benefit the victims of ...