With her long blond hair, wrap-around shades, and style tips taken straight from Debbie Harry, Concetta Kirshner would seem the least likely person to make her name in the world of alternative hip-hop, where authenticity -- especially in Kirshner's native New York City -- means nearly as much as the music. Nevertheless, in 1994, with dreams of giving the music world something innovative, Kirshner named herself Princess Superstar ...full biography