E.T.I. ( Extra Terrestrial Intelligence) 
 
 
Key of E 
 
 
E - play no third, play like Em chord without G string 
A/E - play A bar formation full on 5th fret w/ E open (sixth string) 
A/E alternative - E open (6) + finger C# (5) + E (4) only 
 
 
E      A/E                    E      A/E 
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