Very simple song, but still awesome. Here is what I could tab out for those who really 
figure out the notes :P (first tab ever, so sorry if it's transcribed horribly, figure 
the timing by listening to the song)

Riff 1

e|-------------------------------------------------------------------|
B|-------------------------------------------------------------------|
G|-------------------------------------------------------------------|
D|-----4-5-----4-5-----4-5--4---2--------4-5------4-5------4-5---7-5-|
A|---2-------2-------2-----------------2--------2--------2-----------|
E|-0--------------------------------0--------------------------------|

Riff 2

e|-----------------------------------------------------------------------------|
B|-----------------------------------------------------------------------------|
G|-----------------------------------------------------------------------------|
D|-----------9-10----9-10----9-10---12-10-----------9-10----9-10----9-10--9-7--|
A|---------7-------7-------7--------------------7-------7-------7--------------|
E|-0---5---------------------------------0---5---------------------------------|


Riff 3

e|----------------------------------------------------------------------|
B|----------------------------------------------------------------------|
G|---4-4-4-4--5-5-4-4-5-5-4-4-5-5-7-7--4-4-4-4--5-5-4-4-5-5-4-4-3-3-3-3-|
D|---4-4-4-4--5-5-4-4-5-5-4-4-5-5-7-7--4-4-4-4--5-5-4-4-5-5-4-4-3-3-3-3-|
A|---2-2-2-2--3-3-2-2-3-3-2-2-3-3-5-5--2-2-2-2--3-3-2-2-3-3-2-2-1-1-1-1-|
E|----------------------------------------------------------------------|


I don't think this is the whole song, but most of it definitely. Enjoy!