Complete rookie's first piece - song from "The Hobbit"

So, I've been toying with Musescore a little and decided to do something more serious and try to write something of my own creation. I decided on "Far over the misty mountains" from "The Hobbit", because I always likes the lyrics, plus -there was additional challenge of not using Howard Shore's version from the released trailers.

I'm quite pleased with the result so far, although I'm considering *somehow* changing the first system a little.

Mind you that I have no musical knowledge whatsoever, so this is just from experimenting and playing on my keyboard. Any comments and critique would be most welcome.