Spinal Tap - Im Gonna Rock You Tonight Bass

tuning:  standard 
I've checked the other tabs, but they don't sound right, try this:

intro/main riff

G-----------------------------------------------------------
D-----------------------------------------------------------
A-----22-----------------5----------5---22------------------
E--5--------5--22-----5------5---2--------------------------

play four times

verse
chorus
main riff 2X
second verse
chorus
interlude

G-----------------------------------------------------------------------
D------------------------------------0----------------------------------0
A--0-0-0-0-0-0-0-0-----0-0-0-0-0-0-0----0-0-0-0-0-0-0-0---0-0-0-0-0-0-0--
E------------------------------------------------------------------------
main riff 4X
third verse
chorus
main riff 4X
outro
G----------------------------------------------
D---------------------------------------------
A-0-0-0-0---3-5--------------------------------
E-----------------------0-1--------3-5----------

G---------------------------------------------------
D---------------------------------------------------
A---1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-1-------1-0
E-----------------------------------------------------

The Main Riff sounds right not sure about the rest though,