This is the intro to the song "Please Come to Boston" by David Loggins the way
Kenny Chesney plays it.
It might not be 100% accurate but it is pretty close.
[ Tab from: http://www.guitaretab.com/k/kenny-chesney/276541.html ]
Em D/F G A D
e----0-----2-----3-----0-----2-3h3p----|
B---0-----3-----0-----2-----3--------2-|
G--0-----2-----0-----2-----2-----------|
D-------------------------0------------|
A-2-----------------0------------------|
E-------2-----3------------------------|
* The hammer-on/pull off on the high e string should be fast.
Listen to the song to get a general Idea on how it should sound.