The world never rotted

A zombie apocalypse happened. But it didn't end - the Earth didn't rot, forests didn't burn, animals didn't die off, and a tiny group of survivors discovered roving bands of zombies could be kept at bay with the help of a guitar and a bad singer - and so a traveling music festival was born that traveled a standard route around a zombie infested America - and you roamed with them as pack leader.<br><br>How did it work, and how did the pack get started? How did pack leaders come to power and why do they be top dog? What would happen if they lost a battle to the zombies - would the pack disband?