> "My media content had been pushed aside into a submenu while the app promotes its own streaming media and premium services instead." This is my biggest pet-peeve coming from Linux world. In Linux the music players you find bundled with different distros are simple, but they just work. However since moving to MacOS, I have to either use iTunes or Music, and in Android the default music player and the latest updates…
For Android, give this one a try:
https://f-droid.org/en/packages/ch.blinkenlights.android.van...
Tell it which directories to search (if its defaults are not to your liking) and all your local music is front and center -- and no "streaming services" anywhere in the player.