Shinhwa

Shinhwa is a popular South Korean boy band and hip hop group. The group has six members (with 3 vocalists and 3 rappers), and debuted on March 24, 1998. It has enjoyed massive success alongside the likes of Sechs Kies, Baby Vox, Fin. K.L., H.O.T. and S.E.S., but while the other bands have since disbanded, Shinhwa continues to release albums with high sales.

(Source: Wikipedia )