One of the benefits of being in U2 is that there's no shortage of potential understudies in the world.

U2 had been scheduled to play a surprise concert tonight (Dec. 1) in New York's Times Square for World AIDS Day, but Bono's bike accident in Central Park last month nearly squashed those plans. The show will go on, however, and arguably in a much more interesting way: U2 announced that Bruce Springsteen and Coldplay's Chris Martin will fill in for him and the band will perform as "U2 Minus 1."

Kanye West and Carrie Underwood will also appear at the show, which you can livestream below beginning at 7:30PM ET: