Follow up video: https://youtu.be/muTlitfJMfs
The Smoker (Music): 0:09
The Smoker (Voice): 0:58
The Hunter (Music): 1:49
The Hunter (Voice): 2:12
The Boomer (Music): 2:54
The Boomer (Voice): 3:25
The Jockey (Music): 5:48
The Jockey (Voice): 6:25
The Charger (Music): 7:21
The Charger (Voice): 7:51
The Spitter (Music): 8:46
The Spitter (Voice): 9:21
Concept Art taken from the Valve Archive:
https://valvearchive.com/archive/Left%204%20Dead/Left%204%20Dead%202/Art/Creatures/
Super Secret Metal Version: https://www.youtube.com/watch?v=RCHvnuC4c8k