Daniel wants to know if Apple still offers iTunes Match. Leo says they do, though it's been replaced by Apple Music. But you can still subscribe for $25 a year. It'll then upload all the songs on your devices and match them in complete AAC sound. It won't be available on the Apple streaming service, but in your iCloud Library. Will that prevent it from playing on my Amazon Alexa? Leo says that Amazon took that feature out, so you can't now. Annoying.
You could also try Plex.