Step 6 For truly memorable vows, break into song—preferably one you wrote yourself.

如果想要比较难忘的誓言，放声高歌——最好是你自己创作的歌曲。

The researchers used computer software to break each song into a collection of notes, or syllables.

研究人员使用计算机软件将每首歌曲分解为一组音符或音节。