We think it's safe to say 2013 was a big year in music. Everything from Gaga going full on performance art, to Justin Timberlake taking music to a new luxury level with the best selling album this year and Lorde breaking out as Best New Artist. And we can't forget 2013 brought us the "Harlem Shake!" Check out Buzzfeed.com for the 26 Things That Defined Music this year!
Photo Source: David Torcivia, via Wikimedia Commons