First, you must get the biggest string, one tone downer

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this one --->      ------------------------------|


||----------------------------------------------------||
||----------------------------------------------------||
||----------------------------------------------------||
||--9-12-0--12----9-12-0--12----9-12-0--12-6---6-5-4--||
||--9-12-0--12----9-12-0--12----9-12-0--12-6---6-5-4--||
||--9-12-0--12----9-12-0--12----9-12-0--12-6---6-5-4--||

If you want to play the bass tab just play the bottom string and make your own custom 
how you like it .
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