It's surprisingly easy to create your own private music streaming service for all your devices. I did a short review and tutorial for one based on Nextcloud's "Music" app:
馃尡 https://growyourown.services/review-of-music-app-for-nextcloud
In brief, you install Music on your Nextcloud, then install a compatible app on your phone or tablet, and your music collection becomes a streaming service you can listen to anywhere.
You can also share this streaming service with other users on your Nextcloud.
