Intro is played smoothly, the hammerons should be 
more like quick taps just before you play the next note

First Time:
E|--------------------------------------------------|
B|--------------------------------------------------|
G|--------------------------------------------------|
D|----------------------5-------------------------3-|
A|----------3----3-3/5h7------------3----1-1-1/3h5--|
E|---1-1/3h5-----------------1-1/3h5----------------|

Second Time:
E|--------------------------------------------------|
B|--------------------------------------------------|
G|---------------------------7-5-7------------------|
D|----------------------5----7-5-7------------------|
A|----------3----3-3/5h7-----5-3-5------------------|
E|---1-1/3h5----------------------------------------|

Then Again:
E|--------------------------------------------------|
B|--------------------------------------------------|
G|--------------------------------------------------|
D|----------------------5-------------------------3-|
A|----------3----3-3/5h7------------3----1-1-1/3h5--|
E|-1-1-1/3h5-----------------1-1/3h5----------------|

And:
E|--------------------------------------------------|
B|--------------------------------------------------|
G|---------------------------7-5-3------------------|
D|----------------------5----7-5-3------------------|
A|----------3----3-3/5h7-----5-3-1------------------|
E|---1-1/3h5----------------------------------------|