eras of art Organizational communication is fundamental to high-mix manufacturing success. At the human holon level, communications are usually from the form: request, reply and inform. To have dialog amongst collaborative holons, human-system interfaces are essential. Interface applications within a cooperative holonic domain are easy, and decision support criteria will look like it comes down from a single application. Children that be involved in music therapy have shown to manage to memorize song lyrics. This often causes the youngsters to naturally wish to sing whenever they hear a familiar song even once they do not normally verbally communicate well. Music therapy can provide children motivation to participate in when reaching people. Children that engage in music therapy often experience emotional involvement when paying attention to music.