Jafa Film & Audio.

[skouras]

did you put this http://www.kegetys.net/
place the mod folder inside the game directory
right click on the launcher to create a new one
and add to the target this "C:\Program Files (x86)\Steam\steamapps\common\il-2 sturmovik cliffs of dover\Launcher.exe" -mod=MODS\CMSound

hope this helps