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--0---------12---12---------/4--4 444444---------------------

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--0-----12------/4-4-444444---------------------------------------

This is supposed to be the beginning. Kind of sounds like it a little. But it's a cool bassline. Start at e no fret. go up to 12 on e, hold out, for about 2-4 counts then do it again. when on the end of 12 slide down to fourth. easy.