Well, we've got a skippy Beethoven music but here with Tchaikovsky he's coming down, just straight down, down consecutive intervals there for the most part.

我们听过贝多芬的曲子,非常跳跃,但在柴可夫斯基的乐曲里,音高急转直下,动机部分连续出现音程下降

耶鲁公开课 - 聆听音乐课程节选