Definition of Morning musume

is an all-girl J-pop group from Japan. They are sometimes also referred to as . Their act revolves around singing and dancing to generally upbeat melodies. They are the lead group of Hello! Project, masterminded by Naoki Yamazaki, and managed by producer Tsunku, who composes nearly all the lyrics and melodies for their songs. Currently, Morning Musume is Japan's Best Selling Female Group.