I was listening to the Portal 2 OST when I decided to see if I could recreate some of the synths from "The Future Starts With You". Yeah, I was bored.
Anyway I got carried away and ended up reconstructing the entire track completely from scratch.
Here's the original for reference:

And here's my remake:


I pretty much nailed the arrangement, and if you listen apart from the obvious differences in sound design (the seemingly simple synths used are...