"Gentleman" is a K-pop song by South Korean musician Psy released on April 12, 2013 (KST), serving as his 19th single. The song serves as the follow-up to his international hit single "Gangnam Style", which at the time of "Gentleman"'s release had been viewed on YouTube over 1.5 billion times. The first public performance of the song, with its associated dance, was unveiled at 6:30 pm on April 13 ... Wikipedia