Who Is Ryan Lewis?

Everybody knows Macklemore, but what does his musical partner, Ryan Lewis, actually do?  

Lewis, at the request of Jimmy Fallon. interviews people on the street to find out what they know. Oh, the life of the people who create the music …

Photo: Matt Sayles/Invision/AP
Accepting the award for best new artist at the 56th annual Grammy Awards at Staples Center in Los Angeles.