It's a pretty simple song and pretty much goes like this the whole time
|------------X---------------------------------------------|
|------------X---------------------------------------------|
|------------X---------------------------------------------|
|------------X--5--4--3----3--3--7-------------------------|
|----7----7--X--7--6--5----5--5--5-------------------------|
|----5----5--X---------------------------------------------|
And one part goes like this
|---------------------------------------------------------|
|---------------------------------------------------------|
|---------------------------------------------------------|
|---------------------------------------------------------|
|----7----7-----------------------------------------------|
|----5----X-----------------------------------------------|