it's wonderful really, but is it really you or are you trying to follow Beethoven?
assuming you're going to follow the same style throughout, you may end up modulating (very likely to a minor key) seconds before the end of the mp3 (don't have the score to give an exact position but there's a potential cadence in there somewhere)
what are your plans for the piece anyway? what direction are you taking it in?
BTW it does not sound horribly muddy