credits to wackycashew`s clubbox. HaHa performing songs by Kim Jong Guk (Turbo and solo) from X-Man Good-bye special. I believe there`s one clip of K credits to wackycashew`s clubbox. HaHa performing songs by Kim Jong Guk (Turbo and solo) from X-Man Good-bye special. I believe there`s one clip of Kim Jong Gook performing one of HaHa`s songs as well. more >> <<less