This game is on Guitar Hero II. It sounds weird but it's a fun and easy song. Normal Tuning (EADGBE)

This is the 1st version of the intro:
|------------------------------------|
|------------5-5----------5-5--------|
|--2--222444-----2--222444----2------|
|------------------------------------|
|------------------------------------|
|------------------------------------|

Then at each of the chouruses...ses...ses it becomes:
|-------------------------------------|
|------------7-7-----------7-7--------|
|--4--444666-----4--444666-----4------|
|-------------------------------------|
|-------------------------------------|
|-------------------------------------|
        "Yes we..."   "Yes we can!!"