At the tender age of 16, English-born Rowan Robertson submitted his demo tape to Ronnie James Dio to audition for lead guitarist for the heavy metal rock group Dio. From the very first note, it proved to be the ultimate sound thatRonnie was looking for. Rowan toured and recorded with the American band until Dio disbanded in 1991, when its leader re-joined Black Sabbath. Shortly thereafter as an experienced hard rock guitarist, Rowan recorded this guitarinstructional video, which has now been tra...