The Greenhornes - Underestimator Chords & Tabs

Bass comes in when drums come in.
Verse
G|----------------|
D|----------------|
A|--------5--33---|
E|-5--88----------| Play x6

Chorus
G|-----------------|
D|-----------------|
A|-55--3----55--0--|
E|-----------------|

G|----------------|
D|----------------|
A|--------5--33---|
E|-5--88----------| Play x4

G|-----------------|
D|-----------------|
A|-55--3----55--0--|
E|-----------------|
[ Tab from: https://www.guitartabs.cc/tabs/t/the_greenhornes/underestimator_btab.html ]
G|----------------|
D|----------------|
A|----------7--55-|
E|-7--1010--------| x4

Guitar solo
G|-------------|------------|
D|-------------|------------|
A|-------------|-------5--3-|
E|-------------|-5--8-------| x4

Verse x4
Chorus x2

Oh yeah...    Oh oh...
G|----------|----------|
D|----------|----------|
A|----------|----------|
E|--------5-|--------5-| Repeat until end.

That's the entire song on the bass, hope it helps! Learned all by ear.