There are two important kinds of music in the world one is written down and the other is not.Many people earn their living by writing music.They write songs for popstars and music for films and TV plays.They usually write exact instructions how the music is to be played.
世界上的音樂(lè)有兩大類――一類是寫(xiě)下來(lái)的,另一類是沒(méi)有寫(xiě)下來(lái)的。許多人靠寫(xiě)詞作曲來(lái)謀生。他們給通俗歌星創(chuàng)作歌曲,為電影和電視節(jié)目作曲。他們通常還要為如何演奏他們的音樂(lè)寫(xiě)出精確的說(shuō)明。