INFORMATION:
Half of the comedy group Downtown, who in addition to starring in their own comedy shows, host the popular music show "Hey! Hey! Hey! Music Champ". Hamada has also been known for the past several years, to ocassionally have a well known artist or producer write him a song to sing as well. The two most well known examples would be Tetsuya Komuro (the two of them together formed the group H Jungle with T), and more recently Makihara Noriyuki. His activities in H Jungle With T began in 1995 (and spanned a couple of years), and his activities with Makihara Noriyuki took place in 2004.