Tuning: D A d G

Intro        Riff1 
G|----------|------------------|
d|----------|------------------|
A|0h5--0h5--|0-0h0-5-------5-5-|
D|----------|--------0-0h0-----|

Play Riff1 for a while, sometimes playing the intro.

During the solo play only A's, and sometimes the intro.

Then play Riff1 for a while and after Billy says cat
play a bunch of D's then play:

Riff2
G|---------------------------|
d|---------------------------|
A|0h5--0h5--0h5--0h5-5-5h4---|
D|-------------------------7-|

play Riff2 a few times then:

Riff3
G|---------------------------|
d|---------------------------|
A|---------------------------|
D|0h5--0h5--0h5--0h5-5-5h4-0-|

During the solo:

Riff4
G|-------------------------|
d|-------------------------|
A|--------5----------------|
D|0h0h0h0----0-5h5h5h5h5h0-|

Play Riff4 during the solo and when Billy comes in.
Sometimes play the intro but on the D string.
Last time you play the intro play:

G|--------|
d|--------|
A|--------|
D|0h5--0h6|

Then everyone's out.

When we come back play Riff1, then play
a bunch of D's, then intro in the D. 
During the solo play Riff1  and end on:

G|---------------|
d|---------------|
A|0h5-0h4-0h-----|
D|----------5--0-|

Tab Author not known. But a Big thank you to him/her