At first, great respect and thanks to Id Software developers,
designers and related people:
Separate thanks to Trent Reznor and NIN, Robert Plant and Led Zeppelin, System Of A Down, Robert Fripp and King Crimson, Oleg Skripka and many others music developers :).
All people who have contributed to ffmpeg:
Chief Detective Goblin - for great Quake deathmatch manual. This is definitely quaker's bible.
Vasiliy 'KS' Borovyak, Adolf, Den and others for bloody quake