SEE ALSO: JYJ's Junsu (XIA) unveils poster for his upcoming Asia tour

A C-JeS Entertainment rep revealed on the 13th, "Rapper Dok2 participated in a featuring for Junsu's 3rd full-length solo album... As this is their second collaboration since Junsu's 2nd solo album released in summer 2013, Junsu and Dok2 displayed their teamwork and completed a cool song."

The collaborative track is a dance song written and composed by Junsu. You'll be able to check it out when his album drops on March 3!