Tsunku is a Japanese musician, songwriter, and producer, best known for his work in the J-pop genre. He gained fame as the lead vocalist of the band Sharam Q in the 1990s and later became a prominent figure in the Hello! Project music collective, where he produced and wrote songs for various idol groups, including Morning Musume. In addition to his music career, Tsunku is recognized for his contributions to the Japanese entertainment industry. He has been involved in various projects, including television shows and musicals, and has played a significant role in shaping the idol culture in Japan through his innovative approach to music and talent development.