#3
yeah, the guy experiments with the chords a lot...so I guess you can do the same..I'm giving you alternatives for the 4 chords that make up the song..

INTRO AND VERSE AND CHORUS:
C G Am Fmaj7
BRIDGE:
G Am Fmaj7 (3) G Fmaj7


chords:
C and alternatives
e|-------0--------0-----------0---------3---------------------------------|
B|-------1--------1-----------0---------1---------------------------------|
G|-------0--------0-----------0---------0---------------------------------|
D|-------2--------0h2--------2---------2---------------------------------|
A|-------3--------2-----------3---------3---------------------------------|
E|---------------------------------------------------------------------------|


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

Am and alternative
e|------0-------------0------------------------------------------------------|
B|------1-------------0------------------------------------------------------|
G|------2-------------2------------------------------------------------------|
D|------2-------------2------------------------------------------------------|
A|------0-------------0------------------------------------------------------|
E|---------------------------------------------------------------------------|

Fmaj7 and alternative
e|------0--------------0-----------------------------------------------------|
B|------1--------------1-----------------------------------------------------|
G|------2--------------0-----------------------------------------------------|
D|------3--------------3-----------------------------------------------------|
A|------3--------------3-----------------------------------------------------|
E|---------------------------------------------------------------------------|
#4
One more thing..for a strange reason this guy has the capo on the fourth fret, I guess..but the song sounds like the capo is supposed to be on the 1ST FRET..anyway...