L-r@f@3lc-450m3.mp4 -

This is a piece of Base64 or another form of cipher that you want me to translate into a hidden message.

You are looking for a specific, possibly obscure, video file that exists under this name in a database or archive.

450 cubic meters (the volume of the space where it was filmed).

A figure sits in the center of the room, lit only by the flickering of a faulty fluorescent bulb. As the "frequency" ( @f ) increases, the video frame begins to tear and "datamosh," turning the concrete walls into flowing liquid pixels.