Yoon Do Hyun Band, also called Yoonband or YB, is one of the most famous rock bands in South Korea. It consists of Yoon Do Hyun (vocals and guitar), Huh Joon (guitar), Kim Jin won(drums), and Park Tae Hee (bass guitar). The band is named after the main vocalist and main producer, Yoon Do Hyun, who had originally performed solo and then later joined the group.