This is the intro and riff. I am still not sure about the chorus, though it probably
follows the guitar part. Pretty simple and just repeats itself.
G--------------------------->
D--------------------------->
A-----5-7-5-7-----5-7---5-7->
E---0-----------0-----5----->
[ Tab from: https://www.guitartabs.cc/tabs/p/portugal_the_man/bottom_btab.html ]
Here is the chorus if I am right about it following the guitar part.
G--------------------------------->
D--------------------------------->
A---------7~~5-7-5-7-------------->
E---0-0-0------------5~~~~0-^5^-0->
Please add any corrections/suggestions you might have.