Not totally sure what you’re looking for playback wise. But you can give https://asti.ga/ https://asti.ga/ a try. Basically, you point it to one or more online

Not totally sure what you’re looking for playback wise. But you can give https://asti.ga/ https://asti.ga/ a try. Basically, you point it to one or more online storages. It scans and combines all music on there and presents is as a library you can play from via a web browser. It also exposes this library as a SubSonic library, which makes that library usable in a lot of apps.