Unknown Sound in clip

Unknown Sound in clip is a screamer video created by ThePopUpVideos.

The video starts with a description written and the typewriting is heard, which would increase the volume to hear music in the background. however, after typing this message, the clip gets interrupted by a image of a demon child from Dead Birds, accompanied with a same scream from Mortal Kombat 2.

Link
NOTE : The following video contains a screamer!
 * youtube.com/watch?v=ND6xzsdbPIY