Des.

Des. is an unlisted video on the County Bluff YouTube channel, which is found by translating the second (formerly, only) line of hexadecimal in the description for Wall of dust. Des. was uploaded on Dec. 21, 2019 and is 5 seconds long.

Analysis
When the noise made in the video is run through a spectrogram, it reads: Emergency

Return to st18

Second evaluation.

With st 45 and 46

Comparison.