Tuning = normal
 
Beautiful song, this version sounds OK, it is also possible to play hammer on for the chorus as 
indicated at the end.
 
Tremolo

E----------------------------------------------|
B-------2------3----------------2-------3------|
G---------0----2-------------------0----2------| 
D-----2-----4-------4--------2--------4--------| repeat
A---0---------------------0------------------4-|
D----------------------------------------------|

Clean

E---6---2---6---2----3-----------------------|
B---5---2---5---2----3-----------------------|
G---6---4---6---4----5-----------------------| Repeat
D---6---4---6---4----5-----------------------|
A---4---2---4---2----3-----------------------|
D--------------------------------------------|
Play several times each one

end

E-------------------|
B------3------------|
G-----3-------------|
D----3--------------|
A---0---------------|
D-------------------|

Chorus version 2
E----------------------------|
B-------2--------------------|
G---------0-------4----------| 
D-----2-----4h7---7----------|
A---0-----------------4------|
D----------------------------|