Intro:

E|---9-9--9--9--9-----------------------------|
B|---9-9--9--9--9-----------------------------|
G|---6-6--6--6--6----6-6-6-6-6-6--------------|
D|--------------------------------------------| x2
A|--------------------------------4-4-4-4-4-4-|
E|--------------------------------------------|

     "Happiness..."
E|--------------------------------------------|
B|--------------------------------------------|
G|----6-6-6-6-6-6-6-6-6-6-6-6-14-14-9-9(11)---|
D|----6-6-6-6-6-6-6-6-6-6-6-6-14-14-9-9(11)---| x2
A|----4-4-4-4-4-4-4-4-4-4-4-4-12-12-7-7(9)----|
E|--------------------------------------------|

E|------------------------------------------------------------------------------|
B|------------------------------------------------------------------------------|
G|----6-6-6-6-6-6-6-6-6-6-6-6-14-14-9-9-11-11-11-11-11-11-11-11-11-11-11-11-13r-|
D|----6-6-6-6-6-6-6-6-6-6-6-6-14-14-9-9-11-11-11-11-11-11-11-11-11-11-11-11-13r-|
A|----4-4-4-4-4-4-4-4-4-4-4-4-12-12-7-7-9--9--9--9--9--9--9--9--9--9--9--9--11r-|
E|------------------------------------------------------------------------------|

Main Bit:

E|-----------------------------------------|
B|-----------------------------------------|
G|-6-6-6-6-6-6-6-6-6-6-6-6-14-14-9-9-11-11-|
D|-6-6-6-6-6-6-6-6-6-6-6-6-14-14-9-9-11-11-|
A|-4-4-4-4-4-4-4-4-4-4-4-4-12-12-7-7-9--9--|

E|-------------------------------------------|
B|-------------------------------------------|
-11-11-11-11-11-11-11-11-11-11-11-11-13-13-|
-11-11-11-11-11-11-11-11-11-11-11-11-13-13-|
E|-9--9--9--9--9--9--9--9--9--9--9--9--11-11-|
B|-------------------------------------------|

E|-----------------------------------------------------------------------------------------|
B|-----------------------------------------------------------------------------------------|
G|-14-14-14-14-14-14-14-14-7-7-7-7-7-7-7-7-6-| -14-14-14-14-14-14-14-14-7-7-7-7-7-7-7-7-6--|
D|-12-12-12-12-12-12-12-12-5-5-5-5-5-5-5-5-4-----------------------------------------------|
A|-----------------------------------------------------------------------------------------|

E|---------------------------------|
B|---------------------------------|
-6-6-6-6-6-6-6-6-6-6-6-9-9-11-11-|
-6-6-6-6-6-6-6-6-6-6-6-9-9-11-11-| x(?)
E|-4-4-4-4-4-4-4-4-4-4-4-7-7-9--9--|
B|---------------------------------|


And then that's really the entire song. You may want to play this bit from the intro as 
as the song progresses:


G|-6-6-6-6-6-6-------------------|
D|-------------------------------|
A|--------------4-4-4-4-4-4------|