Where the heck did those Doom sound effects come from?

perkristian's site:
http://www.perkristian.net/game_doom-...

Bobby Prince's site:
https://bobbyprincemusic.blogspot.com/

Music:
Pistons by James Paddock
Fallen Sun by James Paddock
The Demons from Adrian's Pen by Bobby Prince
End Is Nigh by Jamie Robertson
Nightmares of the Slaves by Thyrbse
Dance with a Skeleton by Thyrbse

Courage the Cowardly Dog clip from Cartoon Network UK's channel:
   • Courage The Cowardly Dog | Hard Drive...  

Age of Empires II footage:
   • Video  

Patreon:
  / decino