The simple alternation between E and A2 is the common tab throughout the song. 

Sustained version  
e|---------------------|
B|---------------------|
G|--------------4------|
D|-----9------2---2----|
A|---7---7--0~---------|
E|-0~------------------|

Resounding version
e|---------------------|
B|-----0~--------0~----|
G|---------------------|
D|---2~--2~----2~--2~--|
A|----------0~---------|
E|-0~------------------|

Enjoy!