f(x) and IU take over the Billboard World charts

There were some great new albums that came out in K-pop recently, and it shows in Billboard's latest World charts! f(x)'s new album '4 Walls' has made its debut at the coveted number one spot on this week's 'World Albums' chart!

Also impressively coming in at number 4 is IU's new album 'Chat-Shire'! And on Billboard's 'World Digital Songs' chart, f(x)'s title track "4 Walls" has made it onto the number 2 spot.