ORIGINALLY PUBLISHED IN THE GEORGIA STRAIGHT, AUG. 7, 2003 By Steve Newton When he was just a teen, Dave McLean attended the Mariposa Folk Festival in Orillia, Ontario, and got pointers from John Hammond on how to play some basic blues progressions. A couple of weeks ago the now 51-year-old Big Dave performed with Hammond … Continue reading Big Dave McLean got pointers from John Hammond as a teen