"I'm sure that there are data hoarders somewhere, that have mp3s of all those songs somewhere, but unless we get some p2p type of service like gnutella/ed2k/kaz

"I'm sure that there are data hoarders somewhere, that have mp3s of all those songs somewhere, but unless we get some p2p type of service like gnutella/ed2k/kazaa working again, I won't be able to find them anymore." Such archives would need to be kept online though. If only archived (or hoarded), it's just data in a box that no-one can access. Current internet is really poor at handling this long tail. Eg. a movie can be streamed & torrented, millions see it, many have it in personal archives, but 1 year later the torrent swarm has died out, and those personal archives of the downloaders aren't online. And then copyright holder pulls it from their streaming service. Result: nowhere to be found. Even though popular not long ago. Copies in personal archives don't count for much if others can't access that data.