在即将展开爱因斯坦和玻尔的论战之前,主持人在酒吧讲述,台上唱着爵士乐:
You’ve got a heart that there’s no way of knowing
Can see where you are but can’t see where you’re going
And I’m stuck here still
I’m tangled up with you
This whole world can be so uncertain
...
I know I deserve you, I know you’re my saviour
But when I observe you, you change your behavior
...
Tangled up with you
...
This whole world can be so uncertain
...
To somebody else
...
初看起来歌词在写幽怨的爱恋,细一品味,它把量子物理中著名的不确定性原理、哥本哈根解释、纠缠态都写出来了……不知道是不是特地为这个片子创作的歌曲。酒吧这一段交代出时代背景,歌词为之后要揭示量子理论埋下伏笔,给这个有史以来最不可捉摸的科学披上一件浪漫的爱情外衣。