Acoustic Masterclass Series Each DVD offers six songs performed and taught by a master of the acoustic style. In a special lesson section, key aspects and techniques required for each arrangement are presented. The viewer can select from multiple camera angles, including the full performance or just the left or right hand in close-up. In addition, an artist biography and discography plus several bonus song performances are included in each DVD. An award-winning guitarist and composer, Al Petteway has a unique solo guitar style that mixes his varied influences, from folk and Celtic music, to R&B and blues. DVD.