Emotions ebb and flow like the notes and bars in a classical music rollercoaster.
“The physical universe is basically playful. There is no necessity for it whatsoever. It isn’t going anywhere. It doesn’t have a destination that it ought to arrive at. But it is best understood by its analogy to music. Because music as an art form is essentially playful. We say you play the piano, you don’t work the piano.”
Take a look at how it was made: