As a teacher, Robbie’s influence extends internationally. The DVDs that Robbie made for his early students have guided thousands more guitar builders who purchased guitar materials from Luthiers Mercantile International. Several years ago, Robbie introduced the popular “Luthier Tips du Jour” instructional video series, which is available free on YouTube. Viewings have topped 2.3 million. Robbie hosts and actively participates in a Google Chat Group on guitar building. It is

Fingerstyle guitarist and author Mark Hanson won a Grammy in 2005 for his contributions to the “Henry Mancini – Pink Guitar” CD. His graceful approach to the guitar defines smooth and belies the intricacies of his masterful fingerstyle playing. An engaging performer, he has shared the stage with many of the greats, including Tommy Emmanuel, John Renbourn, and the late Jerry Garcia. Mark played for the President of the United States in 2009. Be sure to check out Mark's website