这本教材中的大部分曲子还没有被广泛采用，而这些曲子所涉及的音乐、技术课题却十分丰富，极具可弹性、可听性，值得认真地学习，为以后掌握巴赫的艰深作品打下扎实的基础。本文分类集中向读者作分析介绍。巴赫时代的前奏曲作为独立的乐曲，短小自由，具有即兴性，这18首前奏 Most of the pieces in this textbook have not yet been widely adopted. The music and technical topics involved in these pieces are very rich, highly flexible and audacious. They should be carefully studied to lay down the hard work for Bach Solid foundation. This article focuses on the analysis of the introduction to the reader. The prelude to Bach as an independent piece of music, short and free, with improvisation, the 18 prelude