Tune in to Late Night with Jimmy Fallon this Thursday, December 13th at 12:35 a.m. EST to catch Billy talking about performing in 12.12.12 The Concert For Sandy Relief. The 12.12.12 concert will be broadcast live this Wednesday from Madison Square Garden to more than 2 billion people on U.S. and international television stations, and Billy's Fallon appearance will air the next night on NBC.