So when later on we're dealing with symphonies and things like that you may be sketching little motivic snippets, little rhythmic snippets, that you'll file away.

那么,以后我们面对交响乐,以及类似音乐时,你可以草画一些动机片段,一些节奏片段,以便将来进行整理

耶鲁公开课 - 聆听音乐课程节选