Save The Population

I only got the intro tabbed out, but its a start

e--------------------------------------------------
B-----------------15-15-15-----------------13-13-13
G--12-15--------------------12-15------------------
D--------15-13-12-----------------15-13-12---------
A--------------------------------------------------
E--------------------------------------------------

e-------------------------------------
B-----------------10-10-10b-----------
G--12-15--------------------12--10b---
D--------15-13-12-------------------12
A-------------------------------------
E-------------------------------------