Rapper Canibus will perform Tuesday (Dec. 1) at a concert held at the Roseland Ballroom in New York City to promote the work and message of the music-industry AIDS-education group LIFEbeat. The rapper will debut "AIDS is Gold, HIV is Platinum," a song he wrote to honor World AIDS Day. The event is open to the pubic and will last from 4:30 to 7:00 p.m.