Force of Nature (stylized as FORCE OF NATURE) is a hip-hop DJ and production duo from Tokyo, Japan. The group is composed of members Kitazawa Ikuzumi (北沢 郁美, Ikuzumi Kitazawa), known by his stage name KZA, and Kento Sasaki (佐々木 健太, Sasaki Kento), known by his stage name DJ Kent or The Backwoods. Known internationally for their DJ work as well as their production, the duo is also credited as part of the production team that scored the music for the anime series Samurai Champloo.