Mark recently shot instructional videos for Jamplay.com, an online video guitar lesson site with over 40 other excellent teachers including Trace Bundy, Kaki King, Eric Mongrain and Randall Williams. Go to Jamplay.com/markkroos for a week of free access to the site, courtesy of Mark.  In his series Mark covers tapping techniques with the right and left hands, cascading, DADGAD Tuning, cascading and much more!