I always seem to find myself down every rabbit hole there is Sorry but what your suggesting is way over my head.....hence the desire to try and keep things as simple as possible. Right now I'm liking the idea of simple streaming from cloud storage....no bells and whistles.....as long as it plays my flac files at a good standard@Gazzer, since you're considering the UPNP rabbit hole, you owe it to yourself to consider whether LMS would work better for you, given its other powerful capabilities, and that your WiiM device(s) can serve as Squeezelite endpoints. There are several discussions about this on this site, and lots of other information elsewhere. A lot of NAS devices support LMS OOTB, and it's easy enough to add as a low power front end to your music file repository.