Standard tuning.
This is the main melody, just keeps repeating.
It's my first tab, I am very welcome to constructive criticism.
[ Tab from: http://www.guitaretab.com/m/mayday/381521.html ]
e|--------0-----|--------------|--------1-----|--------------|
B|-----------1--|--------------|-----------1--|--------1-----|
G|-----2--------|--------0-----|-----2--------|-----------0--|
D|--3-----------|-----------2--|--0-----------|-----2--------|
A|--------------|-----2--------|--------------|--3-----------|
E|--------------|--0-----------|--------------|--------------|