The event has already raised more than $30 million for the Robin Hood Relief Fund. But there have been widespread complaints about ticket scalpers profiting from a charity event. It will be broadcast on television on many channels, radio and the Internet and free theater simulcasts will be soliciting additional donations. The Times will also be streaming the show on its Web site here.
It's going to be a long show; one of its producers, Harvey Weinstein, has promised, "We're not going to pull the plug" if the concert runs past its expected midnight finish. I'll be live-blogging it here as it happens.
- Jon Pareles