Girl group A Pink held #1 on music charts for three days after their release of new song "Mr.Chu".

"Mr.Chu", released on March 31, currently holds the top spot on Mnet, Bugs, Naver Music, Daum Music, Monkey3, and Soribada while Park Hyo Shin's "Wild Flower" dominated Melon, Genie, and Olleh Music charts.

"Mr.Chu" is a dance pop song produced by Duble Sidekick.

Soyou and JungGiGo's "Some", Orange Caramel's "Catellena", and Son Seung Yeon's "I'm Okay Now" also held top spots on charts.