Tower of Power The Oakland Stroke Francis Rocco Prestia this is the bass riff from "The Oakland Stroke" from Bass-Day 98' G------------------------77-------| D---------------44-55-66----------| A--5-00-33-44-5------------5------| E---------------------------------| rinse and repeat a few times... that's pretty much it...something to improvise off of...however this is not the tab for actual tune...
https://primanota.net/tower-of-power/oakland-stroke-chords.htm