ok so this is my tab. i looked at performance by Allison and I just saw out the chords. 
this is the video i got most from: http://www.youtube.com/watch?v=4Qju-5hlDM8

Standard tuning/ no capo

intro/verse(you can easily figure out the strumming pattern)
e|--------------------------------------------------------------------------|
B|-5-----------8------------------------------------------------------------|
G|-6----5---6--9------------------------------------------------------------|
D|-6----6---7--9------------------------------------------------------------|
A|-4----6---7--7------------------------------------------------------------|
E|------4---5---------------------------------------------------------------|

Chorus

e|--------------------------------------------------------------------------|
B|---------------8------5---------------------------------------------------|
G|-6------8------9------6---------------------------------------------------|
D|-7------9------9------6---------------------------------------------------|
A|-7------9------7------4---------------------------------------------------|
E|-5------7-----------------------------------------------------------------|