4minute is a South Korean girl band under the company Cube Entertainment. The band includes Ji Hyun, Ga Yoon, Ji Yoon, Hyuna and So Hyun. The gformation of the group was announced in the month of May in the year 2009. Their designated leader is Ji Hyun and Hyuna was actually a former member of the girl group Wonder Girls. On June 11, 2009, they had released online the silhouette teaser video along with their official website. The other three members have shown their identities the next day June 12 to keep the excitement to some viewers.They had released a teaser for their very first single “Hot issue” on June 10 and they had debuted on June 18. The girls have promoted the song since its release and continue those promotions until August. At the end of the month of August, they had released a mini album entitled, “For Muzik” which was alongside with their second single, “Muzik”. Their third single was called “what a girl wants” was announced not ong after the release of their EP.On January 13, 2011, the girls had participated at Digi Live K-pop Party 2011 in Stadium Negara, Malaysia together with B2ST and G.NA. 4minute was awarded by Bonsang Award during the 20th Seoul Music Awards on 20th of January, 2011. On February 6, the girls had attended the 2010 Billboard Japan Music Awards and gained the “Kpop New Artist Award.”On January 19, 2011, it was revealed that 4minute will be releasing their fourth Japanese single named “WHY” on March 9 and will be the theme song to TV Asahi drama, “Akutou~Juuhanzai Sousahan”. The MV teaser for the said song was released on January 21, 200 and the full music video was followed up in February 7, 2011.On February 23, the girls had modeled for the well-known bridal designer Yumi Katsura for her “2011 Paris Grand Collection Tokyo fashion Show” that was held in Tokyo’s Ryogoku Kokugikan. At the end of the show they had performed the Japanese version of their song Muzik and WHY. They had also performed at the 50th Anniversary Music Wave Concert in Thailand last March 12, 2011.On January 12, 201, their management company, Cube Entertainment had initially revealed that 4minute will come back with a full official album in March. There are several teasers that were released featuring a “Steal 20” concept. It was then revealed that they would release a mini-album, titled Heart to Heart that has 5 songs. The MV teaser for “Heart to Heart” was released last March 28, 2011 and the full music video was released on March 29, 2011. The MV also stars the CN Blue’s Jungshin.On April 5, they released their first full official album titled 4MINUTES LEFT. They have also just released their new MV mirror mirror. The album consists of all the songs the Heart to Heart digital EP, some of the tracks from their debut album in Japan, DIAMOND, as well as the new single Mirror Mirror.