Group Girls' Generation has ranked number 1 on charts with their song, "I Got a Boy."

They are ranked number 1 on various music charts such as Mnet, Sori Bada and more.

They released this song on January 1 and was ranked number 1 on the real time charts.

"I Got a Boy" features a variety of different genres from pop, retro, urban, electronic and more. 

This style of music is something new for the group and has caught the attention of many fans.