Now is a good time to talk with your dipshits about copying internet trends. Not everyone on the internet is nice, smart, or kind. Some are idiots, some malicious, or mean. Some are even all three.
For roll your own, FreeBSD and ZFS on any old desktop with 4 SATA ports is pretty nice and cheap. Built in encryption, NFS, SMB services. Navidrome has install directions for serving music. Pretty secure by default.
There are natural sources for radio waves (some stars, maybe other things). Depending on the frequencies that stop, those could be impacted. I expect the energy powering the radio waves would build up. Best case is higher energy emissions, worst they explode.
I cannot find it. Crap. I think "Chrono Cross".