Bass line fits both songs, but is played slightly diffentley. Bass repeats constantly throughout the song. Thought it was open E but watched Youth at Royal Albert Hall and it's this far down the neck. Great song (s).  
G |—————————————————|—————————————————|—————————————————|—————————————————|
D |—————————————————|—————————————————|—————————————————|—————————————————|
A |—————————99—x—77—————|————99——x789———————————|————————99—x—77———————|———————99—x789—————————|
E |——————7———————————|—————7———————————|—————7————————————|———7——————————————|
    1 & 2 & 3 & 4 &   1 & 2 & 3 & 4 &   1 & 2 & 3 & 4 &   1 & 2 & 3 & 4 &