Question: What is the birth name of Ryan Lewis's partner on "This Unruly Mess I've Made"?
Sentence (from "Ryan Lewis"): Along with producing his own album titled "Instrumentals", Lewis produced the albums "The VS. EP" (2009), "The Heist" (2012), and "This Unruly Mess I've Made" (2016) as part of the duo Macklemore & Ryan Lewis.
Relevant evidence: Yes