I see some recurring themes: things that feel threaded together, some symbolic references, and songs about some of the big questions, like death. There are a lot of references to weather, too! ↗
And the big question for the West, of course, and to the Europeans is, what other countries, which were formerly part of the Soviet bloc, should be incorporated into western institutions? ↗
Now the big question is if you are going to go to all the trouble of setting an opera and making all that music and so on, there's got to be some aspect that you can do in an opera that really makes it worth while. ↗
I am atheist in a very religious mould. I'm always asking myself the big questions. Where did we come from? Is there a meaning to all of this? When I find myself in church, I edit the hymns as I sing them. ↗
Science goes from question to question; big questions, and little, tentative answers. The questions as they age grow ever broader, the answers are seen to be more limited. ↗