I wanted to learn this, so my friend tabbed it. Hopefully it helps you.
intro (clean):
e|----------------------------|
b|----------------------------|
g|--2-2--2-2-2--2-2-2--2-2-2--|
d|--2-2--2-2-2--2-2-2--2-2-2--|
a|--0-0--0-0-0--0-0-0--0-0-0--|
e|----------------------------|
intro (dist.) (x2):
e|------------------------------------------------------------------------|
b|-------------------------------------------*=end on this note 2nd time--|
g|------------------------4-6--7-7--7-7-7--7-9-9--9-11--9-----------------|
d|--7-7--7-7-7--7-7-7--7--4-6--7-7--7-7-7--7-9-9--9-11--9-----------------|
a|--7-7--7-7-7--7-7-7--7--2-4--5-5--5-5-5--5-7-7--7--9--7-----------------|
e|--5-5--5-5-5--5-5-5--5--------------------------------------------------|
[ Tab from: http://www.guitaretab.com/p/promise-ring/148876.html ]
verse (clean):
e|---------------------------------------------------------------------------------------------|
b|---------------------------------------------------------------------------------------------|
g|----------------------------------7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-9-9-9-9-9-9-9-9-9-9-9-9-9-9--|
d|--7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-9-9-9-9-9-9-9-9-9-9-9-9-9-9--|
a|--7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-7-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-7-7-7-7-7-7-7-7-7-7-7-7-7-7--|
e|--5-5-5-5-5-5-5-5-5-5-5-5-5-5-5-5------------------------------------------------------------|
funky guitar part:
e|----------------------------------------------------------------------------------|
b|----------------------------------------------------------------------------------|
g|--------------------7--7-7-7-7-7--9--9-9-9-9-9-9-9----2-4-6-4-7-6-----------------|
d|--9--9-9-9-9-9-9-9--7--7-7-7-7-7--9--9-9-9-9-9-9-9--4-----------------------------|
a|--9--9-9-9-9-9-9-9--5--5-5-5-5-5--7--7-7-7-7-7-7-7---play this solo over----------|
e|--7--7-7-7-7-7-7-7-----------------------------------the last two sets of chords--|
*= can't really explain the rhythm, just listen to the CD (and use a lot of left hand muting)
repeat intro
repeat verse
repeat funky guitar part
repeat intro
solo with intro
e|--------------------------------------------------------------------|
b|-----------------------------------------------STOP-----------------|
g|------11fbr11-------------------------------------------------------|
d|--9-9----------11--13--11--9-9-9----9-11-8--8-8-------7--9--/11--9--|
a|---------------------------------9-----------------9----------------|
e|--------------------------------------------------------------------|
*= at 2:23
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