Here is the main BASS part on guitar.  After that then switch to this then back.
----------------------------------//-------------------------------------------/
---------------------------------//--------------------------------4-----------/
-----6-----6-----6-----6-----4--//-----6-----6-----------2^4--4^6----------
-4-4---4-4---4-4---4-4---4-4---//--4-4---4-4---4-4---2^4----------------/


The guitar, on the on and off breaks and record scratching goes like this!!!!
----------------------
----------------------
-6-6-------6-6--------
-6-6-------6-6--------
-4-4-------4-4--------
-4-4--////-4-4--//////