I don't have much experience with FOSS alternatives for Spotify because I rarely use the service, but maybe you could find what you're looking for in this list from alternativeto.net ?!
Manjaro KDE would be my pick based on my personal experience.
I don't have much experience with FOSS alternatives for Spotify because I rarely use the service, but maybe you could find what you're looking for in this list from alternativeto.net ?!