hip-hop music has been expanding all over the world in recent years. with the growing popularity of hip-hop music, the world's clubs and discos are now filled with djs. these scratch-masters keep the parties jumping with the hottest beats and sounds. a los angeles-based dj school, scratch academy, has taken advantage of this trend. at the school, experienced djs teach people ages 6 to 60 the art of hip-hop music. students get hand-on experience as djs by accompanying their teachers to practical sessions in night clubs. p.d. wilson has just graduated from the academy and is hoping to have a successful career working in clubs, as well as at private parties