序曲(Overture)这个外文单词源自意大利语,意思是“开放”。后用于歌剧、清唱剧、舞剧及其他戏剧(如话剧等)开幕之前和电影进入正片前奏出的、概括全剧中心思想和主要形象,或为造成一定气氛的管弦乐曲。以意大利作曲家威尔第的著名歌剧《茶花女》序曲为例。它由两主题组成:一个是薇奥列塔(也就是茶花女)的悲剧主题;另一个是她的爱 Overture The foreign word, derived from Italian, means “open.” After the opera, oratorio, dance drama and other drama (such as drama) before the opening and before the film into the positive, outlining the central idea and the main center of the movie, or to create a certain atmosphere of the orchestral music. A case study of the prelude to the famous opera Teatrola of Verdi, composer of Italy. It consists of two themes: one is the tragic theme of Wei Oolita (that is, the Camellia); the other is her love