im not sure about the key to play it in, but this is the way its played, might have to 
up or down the neck. i cant really tell cause my bass is outta tune :-/

|----12---10--10-------12---9--9------9--9--9------9---12--12-|
|9\10--10----------9\10--10-------9/10-10------9\10-10--------|
|-------------------------------------------------------------|
|-------------------------------------------------------------|

and thats it!