Chicago performance art group Environmental Encroachmnet (EE) uses circus theatrics, live music and costumes to create unique entertainment environments, parades, processions, shows, artist marching band encroachments and art happenings. .. EE combines a costumed marching band with multi-media stage performance antics including dancers, hooping, juggling and skits. EE wants people to interact, be a part, be curious, dance, play. ..