Alicia Keys Live! on YouTube

If you were one of the millions who tuned in to watch U2 perform live on YouTube last month or if you just love music, you should put this in your calendar: On December 1, R&B superstar Alicia Keys will be performing at an intimate theater in New York City in honor of World AIDS Day. We'll be live-streaming the event worldwide and encouraging viewers to donate to Alicia's charity of choice, Keep a Child Alive.

Here's Alicia's special message about the concert and what it hopes to achieve:

This show, presented by American Express, will start at 8 p.m. (ET) on Tuesday, December 1. Tune in here to watch Alicia live and help raise funds for children with HIV/AIDS.