General Rhythm
Em - G - C - G

then

C - G

every once in awhile they throw in one of these
e----------------------------------------------------------------------|
b----------------------------------------------------------------------|
g-------0--------------------------------------------------------------|
d--0h2-----------------------------------------------------------------|
a----------------------------------------------------------------------|
E----------------------------------------------------------------------|

the banjo part is mostly:

e---0-3-0-0-3-0-0-3-0----or--------------------------------------------|
b-----------------------I-Like------------8-------8-------8------------|
g------------------------it-this--------9---9---9---9---9---9----------|
d--------------------------way-----------------------------------------|
a---------------------------a-bit-better-------------------------------|
E----------------------------------------------------------------------|

plus a few country blues style turnarounds.

Bridge

B - C - G - D

Solo

e----------------------------------------------------------------------|
b-------------------------8-----10---b10---b10----8---8---8--8---------|
g--------------------7h9-----------------------------9---9--9----------|
d---------5h7s9--------------------------------------------------------|
a----5s7---------------------------------------------------------------|
E----------------------------------------------------------------------|

e-----------------------------------------------10---------------------|
b-------------------------8-----10---b10---10b12---12b10-8~~~----------|
g--------------------7h9-----------------------------------------------|
d---------5h7s9--------------------------------------------------------|
a--5--5s7--------------------------------------------------------------|
E----------------------------------------------------------------------|

Solo might be a bit off, but it's along those lines. Post comments or corrections if you 
can improve it, and I'll try to update the tab.
Great band.