Gangnam Style — PSY

"Gangnam Style" by PSY was the first YouTube video to hit 1 billion views (December 2012) and now has over 5.1 billion views at #8. It pioneered global K-pop success, surpassing #7 Learning Colors by 500 million views in cross-cultural appeal. The horse-riding dance and Korean lyrics proved language barriers irrelevant, sparking a 250% increase in international pop viewership. With 80% of its views from outside Asia, it remains a benchmark for viral music, significantly outpacing the average K-pop video's 5% overseas share.