buy a cheap domain and use afraid services, https://freedns.afraid.org/, or ydns, https://ydns.io/, with free license is a good and cheap solution.
spotube rimusic nextcloud + substreamer nextcloud + powerampache
buy a cheap domain and use afraid services, https://freedns.afraid.org/, or ydns, https://ydns.io/, with free license is a good and cheap solution.