AC/DC The Jack
How to play main riff

You have to listen to the song to get the pattern of how to play it 
E-------------------------------------------------------------------
B-------------------------------------------------------------------
G-----0---0---0---0--------------2---2---2---2--------------------
D-----2---2---2---2—repeat ----2---2---4---4----repeat---------
A-----2---2---4---4--------------0---0---0---0--------------------
E-----0---0---0---0--------------0---0---0---0--------------------
    

It’s also an easy riff and you can play it in different patterns