If it's a meme, it's only due to the number of frustrated attempts. The sauce is out there, I tell you.
If anyone speaks Russian, maybe 2ch would know something about it. According to the pastebin, it was trendy for a while to lay music over this, it's quite possible it originated there.
I'm scouring <
http://muzogig.net/gig/chill%20beats> right now, it's russian and a collection of chill music, so it looks promising. Lots of hour long mixes, though.