ok dewds, beautiful song for sure. i checked out her live videos on youtube and this is 
what i got. im confident in the accuracy

standard tuning - capo 4... les begin

its pretty weird at first, but just practice the fingering all freakin night baybay and 
ull get it.  then u can start to sing and just oh boy

get used to doing this rhythm, then u can put the melody over it

e-----------------------|
B-----------------------|
G-------0-pointy fenga--| x4
D-----0-----------------|thumb
A-----------------------|
E-3---------------------|thumb


e---------------0-----------------|
B-----------3-------3-------3-----|
G-------0-------0-------0-------0-|
D-----0-------0-------0-------0---|
A---------------------------------|
E-3-------3-------3-------3-------|


e---------------------------------|
B-----------1---3---1-------1-----|
G-------0-------0-------0-------0-|
D-----2-------2-------2-------2---|
A---------------------------------|
E-3-------3-------3-------3-------|


e---------------------------------|
B-----------0---1---0-------1-----|
G-------0-------0-------2-------0-|
D-----1-------1-------1-------1---|
A---------------------------------|
E-3-------3-------3-------3-------|


e---------------3-----------------|
B-----------0---------------------|
G-------0---------------0-------0-|
D-----0-------0-------0-------0---|
A---------------------------------|
E-3-------3-----3---------3-------|

then the

e--0-----(0)-----------0-|
B--0-----(0)-----0-----1-|
G--0-----(0)-----0-----0-|
D--2-----(2)-----0-----2-|
A--2------x------2-----0-|
E--0------2------3-------|

   my stampeding buffalo
   stops in er tracks n watches the snow
falling through the old oak tree....

e--(2)--------2---|
B---1---------3---|
G---2---------4---|
D---0---------0---|
A-------------x---|
E-------------3---|

when u give   to
yer heart     meeeeeee.

yep, last chord indeed moistens the v's