Have been looking for this video for years. A Phub user once kept the preview in a private collection. But it didn't survive the great purge.
Here is another low-quality version I found on the Russian site VK:
[video]https://vk.com/videos243224354?q=sam&z=video243224354_170561648[/video]
I'll keep looking. If you find anything please LMK.