3 chords all the way through, 4th added after second chorus
0=10, 2=12
E ------------------------------
b ------------------------------
g 7777777777700000--------
d 7777777777700000000000
a 5555555555588888000000
e ----------------------888888
4th chord
E ---------------------------------
b ---------------------------------
g 777777000000--------222222
d 777777000000000000222222
a 555555888888000000000000
e -----------------888888--------