2Yoon

2Yoon was a 2010s Korean/K-Pop female duo. They are known for "one-hit wonder" status in South Korea until now. It was the first -ever K-Pop/Korean country music act. It has only one single charted on Gaon. To date, it is the first ever (and only to date) Korean country music song to charted in Gaon digital chart.

It consists of famed and successful K-Pop female group 4minute's members Gayoon (born Heo Ga-yoon in Seoul, South Korea on May 18, 1990) and Jiyoon (born Jeon Ji-yeon in Suwon, Gyeonggi-do, South Korea on October 15, 1990). They are signed by Cube Entertainment after this label's CEO Hong Seung Sung watched them in 2011 United Cube in London.

In 2013, they released an EP "Harvest Moon". It peaked at #7 on Gaon Album Chart, which is only album charted to date.

Its single "24/7" charted at #8 on Gaon Chart issued January 26, which made their first and only Top 10 single ever charted. The "24/7" music video featured famous Korean male group BTOB and it themed some of the country music-related items (including the village).  Time magazine said that this track inspired by Dr. Seuss and this track felt this was the first time for country music from Korean audience since they unfamiliarized this country sound nationally.

 After that, if seems as if they temporarily putted on hiatus or if their project might be ended. Then, they decided to went back to 4Minute.

But on June 2016, it was announced that 4Minute disbanded after seven years. These days, it's unknown what's up for Gayoon and Jiyoon by looking for another label or another group. But, according to Yonhap News, that after 4Minute disbanded, Gayoon goes into acting and singing, while Jiyoon went into producing and writing songs.

(Updated: June 16, 2016)