This is the melody played during the whole song, but one octave lower than the original.
I think that sounds pretty good, too.
[ Tab from: http://www.guitaretab.com/numeric/50-cent/66163.html ]
e|------0-1-3--1-0---------------------------------------------------|
h|--3-3------------3-6\3------3-1------------------------------------|
g|------------------------1-2-----2-1-0------------------------------|
d|--------------------------------------3-(0)------------------------|
A|-------------------------------------------------------------------|
E|-------------------------------------------------------------------|
