Not a fluke. Hye Soo Nah/AP hide caption

itoggle caption Hye Soo Nah/AP

South Korean rapper Psy performs his massive K-pop hit "Gangnam Style" live on NBC's "Today" show. Jason DeCrow/Invision/AP hide caption

itoggle caption Jason DeCrow/Invision/AP

Young Buck, 2004 Nick Ut/AP hide caption

itoggle caption Nick Ut/AP

A night at the Slowdown. Enrico Fuente/Flickr hide caption

itoggle caption Enrico Fuente/Flickr