What makes Gangnam Style by Psy notable?

'Gangnam Style' became a cultural phenomenon, topping charts in multiple countries and being the first YouTube video to reach over a billion views. Its catchy hook and signature dance moves not only influenced viral marketing strategies but also solidified K-pop's place on the world stage. By the time 'Gangnam Style' was released in July 2012, Psy was already a notable figure in South Korea's music scene. This track marked his international breakthrough, becoming his first major global hit and establishing him as a key player in the K-pop wave that began to permeate Western charts.