Ocean Floor Chords & Tabs
Use distortion; the main riff repeats 8 times before getting to lyrics.
e|---X------X-----X-X-X-X--X-X-X-----------------------------|
B|---5------5-----5-6-5-6--5-6-5-----------------------------| X8
G|---5------5-----5-5-5-5--5-5-5-----------------------------|
D|---5------5-----5-5-5-5--5-5-5-----------------------------|
A|---X------X-----X-X-X-X--X-X-X-----------------------------|
E|---X------X-----X-X-X-X--X-X-X-----------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/a/audio_adrenaline/ocean_floor_tab.html ]
On the 5th repeat a 2nd guitar goes into notes:
e|-----------------------------------------------------------|
B|-----------------------------------------------------------| X2
G|---5-77-7-5-77-5-7-5-----5-77-7-5-77-5-7-5-----------------|
D|-----------------------------------------------------------|
A|-----------------------------------------------------------|
E|-----------------------------------------------------------|
And that's basically the intro; have fun.