What makes Gentleman by Psy notable?

'Gentleman' debuted at number five on the Billboard Hot 100, making Psy the first Korean artist to have multiple top-ten hits in the U.S. The song's success solidified Psy's place in popular culture and further propelled the Hallyu wave outside of South Korea. Released on April 12, 2013, 'Gentleman' marked Psy's return following the global phenomenon of 'Gangnam Style.' The single was part of his efforts to replicate that success, showcasing his unique style and comedic visuals. This release came during his peak as a K-pop ambassador in the West.