音乐的数学是个有趣的话题, 但常见的讨论除了傅里叶分析以外似乎也很少有人能说出个一二三四. Mazzola 的 The topos of music 看起来是本有意思的大部头, 准备在这里记点读书笔记.

第一章 音乐是什么

"Definition 1 (First provisional version) Music is a system of signs composed of complex forms which may be represented by physical sounds, and which in this way mediate between mental and psychic contents."

"To describe these forms, mathematics is the adequate language."