What is the birth name of Ryan Lewis's partner on "This Unruly Mess I've Made"?
Macklemore: Benjamin Hammond Haggerty (born June 19, 1983), known by his stage name Macklemore ( ), and formerly Professor Mack Lemore, is an American rapper from Seattle, Washington. Macklemore:  He has collaborated with producer Ryan Lewis as Macklemore & Ryan Lewis. Ryan Lewis: Ryan S. Lewis (born March 25, 1988) is an American DJ, musician, record producer, videographer, photographer, graphic designer, music video director, and rapper.
i don't know