PSY - GANGNAM STYLE

I really don't know what's the craze about Gangnam Style. Apparently, it is really popular. Loads of people have heard of the song and seen the dance. I bet some people even know how the dance steps! I seriously have no idea why it is so popular. Apart from having a catchy tune, the song is so-so only. Maybe it is because I don't understand the lyrics. The singer is also not 帅 unlike most Korean artistes. Hm...