Scratch Acid - Mary Had A Little Drug Problem Chords & Tabs

Mary Had A Little Drug Problem (low to high)

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-9/10--9-
-9/10--9-
-7/8---7-
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I don't know that main riff! Fuck! It's something like this:
[ Tab from: https://www.guitartabs.cc/tabs/s/scratch_acid/mary_had_a_little_drug_problem_tab.html ]
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------2-2-0-0-----------------------
-0--0---------0-0-3-3-0-0--2-3-2-0--

other part:

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-9--x7--5/4--
-9--x7--5/4--
-7--x5--3/2--
------------- that's a few times, then break:

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-7~--8~--13~--7~--7~--8~--13~--7~--
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That main riff is incomplete. 

~=vibrato