Back Together

The same chord progression remains throughout the entire song

e|-5--5-5-5--3--3-3-3--3--3-3-3--2--2-2-2-|
B|-3--3-3-3--3--3-3-3--3--3-3-3--3--3-3-3-|
G|-5--5-5-5--4--4-4-4--3--3-3-3--2--2-2-2-|
D|-0--0-0-0--5--5-5-5--5--5-5-5--0--0-0-0-|
A|-------------------------------0--0-0-0-|
E|----------------------------------------|

but if you want, you could start playing the full chords as the song progresses:

e|-5--5-5-5--3--3-3-3--3--3-3-3--2--2-2-2-|
B|-3--3-3-3--3--3-3-3--3--3-3-3--3--3-3-3-|
G|-5--5-5-5--4--4-4-4--3--3-3-3--2--2-2-2-|
D|-0--0-0-0--5--5-5-5--5--5-5-5--0--0-0-0-|
A|-5--5-5-5--5--5-5-5--5--5-5-5--0--0-0-0-|
E|-----------3--3-3-3--3--3-3-3-----------|

for fun, the "hoo hoo oo oo" thing:

e|-5--3\2-----5--3\2-----5--3\2----2p0----2p0---2-|
B|--------3----------3----------3------3------3---|
G|------------------------------------------------|
D|------------------------------------------------|
A|------------------------------------------------|
E|------------------------------------------------|