Oh! is the title track of 소녀시대 2nd album titled Oh!. The teaser was released on January 22th and the full song on January 25th in 2010. The music video, which was directed by Cheo Soohyun, was filmed in Kyungkido, Ilsan and released on January 27th. The girls show up in cheer leading outfits and dance a cute choreography.