It's a great idea that the theme at 0'54", which is in minor key, is taken up again in major key at 1'33.
I have the feeling that your composition is telling us a story, it seems very human in the way you play it.
I imagined someone falling asleep and going into a nightmare. When he slowly awakens (1'05"), it takes a while for him to realize that it was just a dream, and then he comes to his senses playfully (hence the major theme).
I may have gone too far in my interpretation, but I wanted to share it with you.