Beginning Keyboard Part:
E|------------------------------------------15------|
B|-----------8------------------15----15------------|
G|---7---7-----------| OR------12----12----12---------|
D|-5---5---5----------------------------------------|
A|--------------------------------------------------|
E|--------------------------------------------------|

First guitar riffs:
E|------------------------| --------------------------------|
B|------------------------| --------------------------------|
G|--4------5--4---2-4-----| --2------4---2---0-2------------|
D|------------------------x2| -----------------------0--------|
A|------------------------| --------------------------------|
E|------------------------| -----------------------------3--|

Chords:
E|-------------0---------0----------|
B|--0----------1---------1----------|
G|--0----------0---------0----------|
D|--0----------2---------2----------|
A|--2----------3---------3----------|
E|--3--------------------3----------|

Just alternate through those a bunch. It should be easy to figure out. I'm not quite 
sure about these chords, but they're close enough.

Main riff:
E|-------------------------------------------|---------------------------------|
B|-------------------------------------------|---------------------------------|
G|---2-4---2-4---2-4---2----7------7---0---2-|--0-2---0-2---0--2---0----4--4-0-|
D|-------------------------------------------|---------------------------------|
A|-------------------------------------------|---------------------------------|
E|-------------------------------------------|---------------------------------|