It looks as though your research for clips would have been exhausting. Over the last couple years I've become aquainted with pockets of the online archive, and I'm aware how this clip comes from the sum of many sources. I recocknized quite a few. It's a long and exhausting process. But the reward comes when several pieces of footage, filmed perhaps decades apart, and miles apart finally mesh together to create compounding ideas. It would be simple to just download several clips off of a couple keyword searches, then use that as your source material. But it seems to me that you sought out specific images for some of the slower moving portions of the song.

Also, nice job integrating the shot footage with the archive footage. They had the same level of distress.

We also are working on a documentary/short that utilizes Numbers Stations from the Conet Project and the footage from the Prelinger Archives. Like you, we hope to submit it back to archive.org once it is complete. (http://clandestine-movie.com/)