This their cloud player service (or whatever they call it). It’s basically like Napster for streaming. I don’t know how they get around the legal issues but basically if you have your library in JRiver, you can pick songs to upload to their cloud (I guess maybe they call it backup to avoid the cops). The files go into a shared space where I can stream your files and you can stream mine. It is nothing, I repeat, nothing like Tidal or Qobuz except in the mind of the guy who owns JRiver. Customers have been asking him for years to enable streaming from these services and he refuses because he says their business model doesn’t make sense and they are all going to go bankrupt, so he isn’t going to invest in enabling them. He’s been saying this for a long time. I suspect JRiver will go under before Tidal or Qobuz.