Martin Garrix's live set from Ultra Music Festival (Video)

Martin Garrix made his UMF evening debut yesterday night and had a lot of new music to showcase. The big moment of last night's set was when Usher came on stage to play their new track 'Don't Look Down". Just in case you missed it, you can see the full set below: 

Martin Garrix will be playing at the Digital Dreams Music Festival in Toronto in late June. For more information, click here.