Dreamscape....
...I am not sure if that is a good name for this piece....maybe Parallewarp of Twisted Flight would be better. (okay..now 16,000 viewers are all going to write a portal song called either of them.) I agree with another viewer/voter...at 1:34-the music imagery is disrupted and you think that it will grow with different sounding instruments- like horns or something...well something else. Good Attempt.