Blinded

The video entitled Blinded was uploaded on April 22, 2018 at 23:54 GMT. The video shows a fluorescent lamp against a dark background. The lamp is shown in two positions, first vertical and then horizontal, while the camera sways.

Codes
The audio includes a portion of the song "Down to the River to Pray." The end of the audio track translates to a spectrogram. The spectrogram shows a sign that contains the text "Welcome to Alaska", along with several other texts.

The video description contains the following punctuation code:

“”:::””:””:””:”::::””,””;””:””””:””:”,.”,”,”””,””,””::::””;””;”

The message has not been decoded.

Theories
"Blinded" was the first video posted by County Bluff which featured punctuation code. The title of the video might suggest that the punctuation code is related to Braille.