Song: Life is Beautiful/Whistle Theme (I have seen both used interchangeably)

Instrument: Guitar and Whistling (could be an Ocarina)

Target-instrument: Piano

Game: Deadly Premonition/ Red Seeds Profile

Artist: ?

Album: Unavailable?

Comments:
I find guitar and strumming hard to transcribe generally, so I would be extremely grateful to anyone who could transcribe this. If at all possible, I'd like it not to be overly simplified.
Thanks!

http://www.youtube.com/watch?v=5OUP_Z3iZPs < This is the original version.
http://www.youtube.com/watch?v=yrNSP5AFNxs < This is a very good cover on the piano.