To me, this is what started all the crying. On a Fender Telecaster, tuned 1/2 step down and then Drop D. An Am7 position at the third fret. Pick pattern 6, 4, 3, 2.
On my tuner, I get the notes C#, F, F#, C#.
It got me too.
Then I couldn't help thinking about Close Encounters of a Third Kind.