Paul Mccartney - Let Em In tab

The other tab is wrong but for some reason got 5 stars the real intro doorbell thing is
[ Tab from: http://www.guitaretab.com/p/paul-mccartney/247908.html ]
e|----------(12)-----------(12)---------|
B|--(7)-------------------------(7)-----|
G|------(7)-----------------------------|(7)
D|--------------(7)----(7)--------------|
A|--------------------------------------|
E|--------------------------------------|

all harmonics