Guitar Greats: Dan Auerbach

"Gold On The Ceiling?"  More like gold on the guitar strings.  (Please forgive us for that stretch of a pun.) The Black Keys are a duo, but they're unequivocally lead by Dan Auerbach and his flare for the blues.  Since The Black Keys 2002 debut The Big Come Up, Auerbach has established himself as one of the most proficient guitarists…