Left 4 Dead 2: Super-Cut Revenge
Channel: Face Palm
Date: 2015-11-02

amazing music courtesy of Streets of Rage, Yuzo Koshiro, OC ReMix and, most importantly, WillRock - http://ocremix.org/remix/OCR02250

The "part 9" in question: https://youtu.be/Qw443Yj8vyY