"Gangnam Style" is a single by the South Korean pop artist PSY. The song was released on July 15, 2012, as the lead single of his sixth studio album PSY 6 (Six Rules), Part 1. "Gangnam Style" debuted at number one on the Gaon Chart, the national record chart of South Korea. As of November 12, 2012, the music video has been viewed over 710 million times on YouTube, and is the site's most watched K-pop video and second most watched video ever.

Source: Wikipedia