2.4 2010–12: 5th studio album and debut performance in Japan.2.3 2003–09: Military service, Ssajib, and re-enlistment.2.2 2001–02: Psy from the Psycho World!, controversy, and domestic success.2.1 1996–2000: Brief study in the United States and career beginnings.Following his departure from YG Entertainment in 2018, he founded his own company, P Nation, in 2019. On December 31, 2012, Psy performed in a globally televised New Year's Eve celebration with American rapper MC Hammer on-stage in front of a live audience of over a million people in Times Square, New York City. In December 2012, MTV noted Psy's rise from being little known outside South Korea, to being hailed as the 'Viral Star of 2012'. As of March 2021, it is the eighth most viewed video on YouTube, with over 4 billion views. On May 31, 2014, the video for Psy's 'Gangnam Style' hit two billion views. Psy was subsequently recognized by the media as the King of YouTube. On December 21, 2012, his music video for 'Gangnam Style' exceeded one billion views on YouTube, becoming the first video to do so in the website's history. On October 23, 2012, Psy met United Nations Secretary-General Ban Ki-moon at the UN Headquarters where Ban expressed his desire to work with the singer because of his 'unlimited global reach'.

The song's refrain was entered into The Yale Book of Quotations as one of the most famous quotations of 2012. Psy is known domestically for his humorous videos and stage performances, and internationally for his hit single ' Gangnam Style'. Park Jae-sang ( Korean: 박재상 Hanja: 朴載相, IPA: born December 31, 1977), known professionally as Psy (stylized in all caps as PSY) ( 싸이 / s aɪ/ SY Korean: ), is a South Korean singer, rapper, songwriter, and record producer.

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