song: Super Mario Bros Underground theme
artist: Nintendo
game: Super Mario Bros 1, 3 and Super Mario 64

g----11-----8-----9----
d----------------------   (play this 2x) 
a-9------6-----7-------
e----------------------

g-----7------4-----5-
d--------------------
a--5-----2------3----      (2x)
e--------------------

then this is really fast 

g--------------------------------------------
d--------------------43---43--5--------------
a-777-3-7-5------3-3----3-------5-3----------
e-----------5--3---------------------5-3-2-0-

its pretty easy, if ur not an experienced bassist the ending might be a lil tuff