At least for now, the record companies and the service providers are both incentivized to have as much of their catalogs as possible on streaming services. Unti

At least for now, the record companies and the service providers are both incentivized to have as much of their catalogs as possible on streaming services. Until that changes, streaming works for many. There is a solution for the rest: let me mix songs from Spotify, my own library, and any other services I pay for in a single playlist.