B.U.G. by Ruins
From the album Stonehenge


Riff 1
G|-------------------------------|----------------------------|
D|-------------------------------|----------------------------|
A|-10--10-10-10--10-10-10--10-10-|-10--11--12--11--10--9--10--|
E|-------------------------------|----------------------------|

Riff 2
G|--------------10----------11-10-9--11-10-9---|
D|---------------------------------------------|
A|---------------------------------------------|
E|-0---0---0--0----0--0---0--------------------|

Riff 3a             Riff 3b
G|-----------------|-----------------|
D|-----------------|-----------------|
A|-7---7---7-------|-7---7---7---7---|
E|-0---0---0---r---|-0---0---0---0---|

Riff 4
G|------------------10---|
D|-11h13-11h13-----------|
A|--------------10-------|
E|-----------------------|


Like a lot of old Ruins Riff 1 is pretty hard to hear exactly whats is going on.
The 7 (octave) on Riff 3a and 3b are optional, 
I like playing it that way (even on riff 2) but I think its just the open E string.
I hope this is helpful.