Big Bang

Big Bang (Korean: 빅뱅) is a Korean hip hop & R&B group composed of five members, each contributing different vocal or rapping parts. When they first debuted, they were considered to be the new face of the YG Family, a pet name for their management company YG Entertainment.[1] Although their debut was somewhat successful, it was not until the release of "거짓말" ("Lies") that the group shot into super stardom.[2] Big Bang have been noted for their music as well as their taste in fashion, becoming famous throughout the country in the process.[3]. They write and produce their own music unlike many other kpop groups.

http://en.wikipedia.org/wiki/Big_Bang_(group)