It started out as a feeling...
e-------------------------------------------------------------------------|
B-------0--------------0---------------0--------------0-------------------|
G---0-------0------0-------0-------0-------0------0-------0---------------|
D-----0---0---0------0---0---0-------0---0---0------2---2---2-------------|
A-----------------------------------------------3-------------------------|
E-3--------------2---------------0----------------------------------------|
Play 2x


But then that word that word grew louder and louder...
e--------------------------------------------------------------------|
B-------1--------------1---------------0--------------0--------------|
G---0-------0------0-------0-------0-------0------0-------0----------|
D-----0---0---0------0---0---0-------0---0---0------0---0---0--------|
A--------------------------------------------------------------------|
E-2--------------2---------------3--------------0--------------------|


I'll come back when you call me...
e-----------------------------------------------------------------|
B-------0--------------1---------0---------0--------------0-------|
G---0-------0------0---------0---------0-------0------0-------0---|
D-----2---2---2------0---------0---------0---0---0------0---0---0-|
A-3---------------------------------------------------------------|
E----------------2---------3--------0---------------2-------------|

(for the repeated lines in the second and third choruses)
I'll come back...
e------------------------------------------------------------------|
B-------0--------------1---------0---------0-------0------1------0-|
G---0-------0------0---------0---------0-------0------0------0-----|
D-----2---2---2------0---------0---------0-------0------0------0---|
A-3--------------------------------------------------3-------------|
E----------------2---------3--------0--------2--------------3------|

Then the melody just repeats that over :)
(first tabs I've gotten down, so sorry if it's a little off)