This song kicks some serious ass, kurt cobain can really write music, so enjoy, but the thing about this song is that to pluck at the end of the guitar, where the strings meet the nuts and bolts, it sounds perfect like that, only at the intro.  Please rate, this is my first tab so RATE.

This is in drop D:
          Intro/verse=clean DADGBE

E|------------------------------------------------------|
B|------------------------------------------------------|
Gl--------2---------------------------------------------|
Dl-----2-----2--------3-------------0-----0-------------|
Al---0--------------3-----3-------0-----0-----0---------|
Dl---------------3------------0-------------------------|

E|-----------------------------------------------------|
B|-----------------------------------------------------|
G|-------2---------------------------------------------|
D|----2-----2--------3---------/4--4--4--4-------0-----|
A|-0---------------3----3-----------0-----0-3--3-------|     /=slide to 4 from 1,2, or 3 fret.
D|---------------3----------0--------------------------|


This chorus has heavy distortion.
E|------------------------|
B|------------------------|
G|-2--2---4^-----------4^-|
D|-2--2---------3--3------|
A|-0--0---------3--3------|
D|--------------3--3------|   


E|-----------------------------|     
B|-----------------------------|   you pull up on the string when kurt says hey, wait, or complaint
G|------------------------4^---|
D|---/4--4--4---4--------------|
A|--------0------0--3-3--------|
D|-----------------------------|

Solo:distorted
E -------------------------| 
B---9br--7br---5br-3-1p0---|  
G--------------------------|          br= bend the string, then release the bend, fast though
D-7----5-----3-------------|  
A--------------------------|  
D--------------------------|