Listen carefully to where the bass comes in in this song. This is what i got.
~~ = hold note
Note: bass starts at (0:09)
Main Riff (repeat the main riff a bunch of times through out song)
G]---------------------------|
D]-----------3----------5----|
A]---5-5-5-5----5-5-5-5------| x2
E]---------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/z/zion_i/amerika_btab.html ]
G]--------------------------------|
D]-----------5---------7----------|
A]--7-7-7-7----7-7-7-7------------| x2
E]--------------------------------|
stop playing at (0:43) and (1:14)
play the main riff at (0:55)
at (1:21) play:
G]---------|
D]---------| x8 (on the 8th time, fade the "3rd" note)
A]--5-3~~--|
E]---------|