This paper describes the overview of the Virtual Performer which is designed to compose and perform interactive multimedia arts with it. The Virtual Performer consists of sensory facilities, presentation facilities and authoring facilities. The sensory facilities consist of various transducers units Its plug-in style offers users the free and optimal set up of sensors. The presentation facilities are MIDI, digital sound processing, CG generation and interactive Video controls. The authoring facilities offer two ways to design scenarios. One is to write recognition-action rules. The other is normal sequencing technique. It is mainly used to switch the scene and the former is mainly used to model the world of each scene. This paper shows some ongoing activities to produce multimedia art with the virtual Performer.