Musicians are there in front of you, and the spectators sense their tension, which is not the case when you're listening to a record. Your attention is more relaxed. The emotional aspect is more important in live music.
First of all, I always see the sun! The way I want to identify myself and others is with halos here and there halos, movements of color. And that, I believe, is rhythm.
I think you know that I classify science as British science, American science, and everybody else.