"Nobody but you"

Sounds like this song is just two chords: A and D. Going back and forth every bar (or two bars, who knows).

And there's a riff that is the same for A and D but five frets apart (or one string)... this one might be wrong, but here's how I think it goes (this the A one):

------------------------------------
------------------------------------
------------------------------------
--5h7-7-7---7-----------------------
----------5---5---------------------
------------------------------------


In the beginning there is one guitar going between on fifth fret (or 5p4h5) A note on the high E string, and the 10th fret D on the high E string.