I got this by watching my friend play it, so thanks BUD. 
The song version has the intro in acoustic guitar and piano,
this is the piano part set for electric guitar.

Standard Tunning.
/ = slide
Intro:

|---------------------------------------------------------------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|---------------------------------------------------------------|
|-3/7---7/5---5/3---3/5--5/7--7/8---8/7---7/5---5/7--7/8--8/7---|
|---------------------------------------------------------------|

Don't pause go right to the next below.

|------------------------------------------------------------------|
|------------------------------------------------------------------|
|------------------------------------------------------------------|
|------------------------------------------------------------------|
|7/5---5/3---3/5--5/7--7/8---8/7---7/5---5/3-----------------------|
|----------------------------------------------3/5--5/7--7/8--8/7--|


That's it!!