Play all chord with powerchord.
Distorted guitar with reverb and no delay.
[ Tab from: https://www.guitartabs.cc/tabs/c/chris_tomlin/forever_tab.html ]
Play G for 6 beats
e-------------------------|
h-------------------------|
g-16-14-------------------|
d-------17-14-------------|
a-------------------------|
E-------------------------|
Play E for 6 beats
e-------------------------|
h-------------------------|
g-16-14-------------------|
d-------17-14-------------|
a-------------------------|
E-------------------------|
Play D for 8 beats
Play C for 8 beats