Yangpa, Seeya's Lee Boram and T-ara's Soyeon will release a song together called "I Know" starring actress Oh Inhye and T-ara's Eunjung in the music video.
T-ara's Eunjung and On Inhye will play lovers who both express the feelings of broken up lovers in the "I Know" music video, displaying their emotions for love through their acting.
On Inhye has been known for her sexy red carpet looks, but will become an innocent woman full of sorrowful tears in "I Know".
Yangpa's TOGETHER album features "Love Is All The Same", which is a duet with Davichi's Lee Haeri and Coed/5dolls' Hanna. Part two, "Break-ups Are All The Same" features Coed/SPEED's Jongkook. Both songs have reached the top of the charts on the major online music sites after being released.
Yangpa debuted 15 years ago in 1997 and is known for her nasal and unique singing voice.
Yangpa, Seeya's Lee Boram, and T-ara's Soyeon's "I Know" will be released on May 1st at the same time as Yangpa's mini album.