1. Game Of Thrones "Official" Show Open (HBO)

I think it wold be logical to start with the main theme in its original sounding. It will help you to realize why this song and the show itself has gone so far and is said to be one of the most popular shows of nowadays.

2. Game of Thrones Theme - Orchestral Cover

Inspired by the announcement of Season 3, this man has made a decision to create its own cover of the popular theme and did an Orchestral Cover for the Game of Thrones. Well, it sounds almost the way it was suppose to sound at the beginning.

3. Game Of Thrones - Main Title on Piano

This is purely learned by ear and happen to be author's own piano arrangement played straight/live. He added a touch of reverb to the piano afterwards for effect and does sounds amazing.

4. Game of Thrones - Main Theme (Heavy Metal Version)

How about making great things even greater? This is the heavy metal version theme song of the HBO series Game of Thrones, which is based on the book series by George R.R. Martin.

5. Game of Thrones Acoustic Guitar

Charlie Parra del Riego playing his acoustic version of Game of Thrones theme, composed by Ramin Djawadi. It sounds different but brighter and higher, if you know what I mean.