Psy's "Gangnam Style" video has received over a billion views on YouTube, making it the most seen video of all time.

With its popularity also come its parodies and remakes. This time "Gangnam Style" has gone opera.

A video was uploaded onto YouTube this month that revealed an opera playing to "Gangnam Style."

It was revealed that this concert was the Rotary Charity Concert Ljubljana 2012.

Internet users commented, "They made opera look cool" and "Amazing job."

Here is the video below.