Is it the dance, the song or the outrageous video? THR looks at the global pop phenomenon's unprecedented viral ascent. By Colin Stutz, Shirley Halperin The massive worldwide phenomenon that is PSY‘s ...

Marco Del Grande/The Sydney Morning Herald/Fairfax Media via Getty; The Chosunilbo JNS/Imazins via Getty Psy poses for a portrait shoot on October 16, 2012 in Sydney, Australia ; Psy attends an event ...

When South Korean rapper Psy released "Gangnam Style" a decade ago, few anticipated the scale and speed of its success, and how it would help usher in the streaming revolution.

Psy is still making music and performing his signature high-energy concerts. The South Korean artist (whose real name is Park Jae-Sang) launched into worldwide virality with his 2012 hit, "Gangnam ...

Psy achieved global fame when he released his song 'Gangnam Style' in 2012 Marco Del Grande/The Sydney Morning Herald/Fairfax Media via Getty; The Chosunilbo JNS/Imazins via Getty Psy is still making ...