Performance art is a type of artistic production that focuses on actions done in specific locations over a particular period of time. It has its roots in avant-garde movements of the early 20th century like Futurism and Dadaism. Some trace its origins back even further to ancient rituals and rites of passage. Key early performance artists include Chris Burden, Carolee Schneemann, and Vito Acconci, whose body-based works explored taboo and transformative themes. Performance art incorporates concepts and techniques from various genres including visual arts, music, and theater.