Nirvana
Where Did You Sleep Last Night
Riff:
1: 0
2: 0 0
3: x x 2 2 2 0 0 0 4 4 4 4
4: 2 2 2 2 2 0 0 0 4 4 4 4 0 0 2
5: 2 2 0 0 0 x x x 2 2 2 2 0 x 2
6: 0 0 0 0^2^3 3 3 3 2 2 2^3 0
the rest of the song is simply variations on that chord progression
(Em A G5 B F#5 Em)