Taproot - Again Again Bass

(4String)
Tuning: DADG

This tab consists of Three Riffs, the song structure is below. 
Please post any comments or anything.

Riff I
G|---------------|----------|
D|---------------|----------|
A|-3-0-00--0-2--2|2-2--2-2-3|
D|---------------|----------|

Riff II
G|---------------|-------------------|
D|---------------|---5H7---5H7---5H7-|
A|-2-2-2-2-------|-5-----5-----5-----|
D|--------4--0-5-|-------------------|

Riff III
G|------------------------------|-------------|
D|------------------------------|-------------|
A|-7-5-4-5----5-5---------------|-3--3---5----|
D|----------0-------------------|-------------|

Song Structure:
2 Bars Electric Sound
Riff I x 2 with 4 Bars of Guitar
Enter Vocals with music
Riff II x 4
Riff I x 4
Guitar x 4
Riff I x 4
Riff II x 8
Riff III x 12
Riff II x 8
Riff I x 4

I think this is how it goes, i am not 100% sure, i havent heard the song in 
so long so i cant try again but I am 90% sure these are correct, i guess 
you'll have to find out for yourself. cheers.