Sistar19

Sistar19 is a sub unit of the KPop girl group Sistar and is composed of their lead singer, Hyorin(김효정) and Rapper Bora(윤보라). They debuted on May 2nd 2011 with their song "Ma boy".

BoA

Kwon Boa (Korean: 권보아, born November 5, 1986), commonly stylized and known by her stage name BoA, which is a backronym for Beat of Angel, is a Korean singer, active in South Korea, Japan, and the United States and sometimes referred to as the "Queen of Korean Pop Music".

BoA is a Roman Catholic, she was born and raised in Gyeonggi-do, South Korea, BoA was discovered by SM Entertainment talent agents when she accompanied her older brother to a talent search.In 2000, after two years of training, she released ID; Peace B, her debut Korean album. Two years later, she released her debut Japanese album, Listen to My Heart, becoming the first Korean pop star to break through in Japan following the fall of barriers that had restricted the import and export of entertainment between the countries since the end of World War II.
On October 14, 2008, BoA debuted in the United States with the single "Eat You Up" and released her debut English-language album, BoA on March 17, 2009.

BoA's multilingual skills (she speaks Japanese and English along with native Korean and has recorded songs in Mandarin Chinese)have contributed to her commercial success throughout East Asia. She is the only foreign artist to have two albums selling more than one million copies in Japan and is one of only three artists to have six consecutive number-one studio albums on the Oricon charts since her debut, the others being Ayumi Hamasaki and Koda Kumi.

Girls' Generation-TTS

Girls' Generation-TTS (also known as Girls' Generation-TaeTiSeo, TaeTiSeo) is the first official sub-group of South Korean girl group, Girls' Generation, formed by S.M. Entertainment in 2012. The sub-group is composed of three Girls' Generation members, Taeyeon (leader), Tiffany, and Seohyun.

Twinkle was released at Midnight (KST) on April 29, 2012, on the iTunes Store worldwide. The EP will have an offline physical release on May 2, 2012.

4minute

4minute (Korean: 포미닛) is a five-member girl group from South Korea. They were formed in 2009 by Cube Entertainment. The members of the group are Nam Ji-hyun (남지현), Heo Ga-yoon (허가윤), Jeon Ji-yoon (전지윤), Kim Hyun-a (김현아) and Kwon So-hyun ( 권소현). The girls released their first single last June 15, 2009 and made their first debut stage last June 18, 2009 on M.net M! Countdown.

4Minute released one Korean full-length album, three Korean mini-albums, one Japanese full album, six Japanese single albums and various Korean singles. The group debuted in June 2009 with their first single, Hot Issue. They released their first Japanese album, Diamond in December 2010. And they released their very first Korean full length album, 4MINUTES LEFT in 2011.

The group received the Bonsang Award at the 20th Seoul Music Awards on January 20, 2011. And on February 6, 2011, the group attended the 2010 Billboard Japan Music Awards wherein they received the "Kpop New Artist Award".