"Gangnam Style" (Korean: 강남스타일, IPA: [kaŋnam sʰɯtʰail]) is the 18th K-pop single by the South Korean musician Psy. The song was released on July 15, 2012, as the lead single of his sixth studio album Psy 6 (Six Rules), Part 1, and debuted at number one on South Korea's Gaon Chart. On December 21, 2012, "Gangnam Style" became the first YouTube video to reach one billion views.