L4D2 - 01 Chocolate Helicopter

Chocolate Helicopter (Left 4 Dead 2 OST)

Neo Blues

L4D2 - 06 One Bad Tank

Valve Studio Orchestra - Mercenary Park - TF2 Jungle Inferno Update

Skin On Our Teeth (Left 4 Dead 2 OST)

L4D2 - 04 Midnight Tank

Joel Nielsen - BMS - We've Got Hostiles

Valve Studio Orchestra - Tank Theme - Left 4 Dead 2

At Doom's Gate

Sector Sweep