I love the soundtrack too but I found nothing about it, so I got them by ear. You have to tune the guitar like the E chord, hope it helps you :D
1-C ------------------------------------------------------------------------------------------
2-G -----2--------------2-------------------------------------------------------------------
3-E -----------4-------------4----------------0----------------------0---------------0-----
4-C --------------------------------------3--------3------------------------------4---------
5-G --------------------------------4---------------------------4---------4/6--------------6
6-E --0-------------0-------------------------------------------------------------------------