Nirvana
Nevermind
Endless, Nameless

Dropped D... or whatever tuning you want, but it's dropped D on the album

Intro (x4)
G-----------------
D----------------- 
A-----------------
E--0-0-0-0-0-0-0-0

Verse
G-------------------
D-------------------
A-------------------
E--0-1-2vvvv-0-1-2-1
  slight distortion
OR

G-----------------
D-----------------
A--------------4--
E-0-1-2------0---0
              I    I
            distortion

Chorus
G----------------------------
D--------5---5\4-------4--2/5
A-3-3--3----3----2-2--2--2---
E----------------------------
    clean

During the "solo", you can play the verse in any varied form, OR you can just smash up your bass, whichever you prefer
this is also the best time to completeley mess up your tuning if you choose to not to smash up your bass
just some tips for that part...

well thats it
not hard, like most nirvana songs