South Korean rapper PSY released one song in 2012 that created a worldwide frenzy, as fans began doing the popularized horse riding dance of "Gangnam Style."

Its music video became the most watched video on YouTube, surpassing 1 billion views and defeating Justin Bieber's "Baby." PSY made his way to the American Music Awards stage, dancers performed a routine to the song on "Dancing with the Stars," PSY performed on "TODAY," with Madonna in Madison Square Garden and on the red carpet of the Video Music Awards, just to name a few.

It is worth mentioning, for the sake of impact, that a man died from a heart attack while dancing "Gangnam Style" at a Christmas party in the U.K.

Only time will tell if PSY will be a one hit wonder but for now, the success of "Gangnam Style" had December reports saying he collected $7.9 million in 2012 for the hit. He also bought a $1.25 million condo in California.

Tags: psy gangnam style