This course is featured by the appreciation of videos and movies, and is coupled with the explanation of opera creation background, the introduction of performance versions, the presentation of music form, and the introduction of opera storylines.  The introduction of musical background is partly carried out by students; the review of musical and performing styles is made by students in groups through discussions and reports.  Based on opera styles and the purpose of learning, the appreciation is performed by comparison among various versions and opera highlight appreciation.  The main points of some affiliated arts, such performance and visual arts, are also presented; these arts include direction, production, setting, costume, and stage motion.