Bass:
G------------------------------------------------
D------------------------------------------------
A----10-----9-----8-----7------------------------
E--0-----------------------0-10-----9-----8-----7
intro

G------------------------------------------------
D-------------7-----7----------------------------
A----10-----9---9-8---8-7-----------7-----7------
E--0-----------------------0-10---9---9-8---8---7
intro variation

G---------------------------------------------
D-------------7-------------------------------
A---------7-9---9-7-5---------7-9---9-7-5-----
E--7-7-7---------------7-7-7-----------------5
second bass riff