Daniel Johnston
Headphoneus Supremus
Or play the file on a PC and use Audacity or Total Recorder, for video I've used RedFox for a couple of decades. As for legality, remember blank cassettes, vhs, cd, dvd, nowadays DVR. Use the file for personal use only. If you go 'commercial' with a created file, you may get free room and board at a county, state or federal facility.
Yeah, I have minidiscs full of recorded internet streams from back in the day.
I've found some obscure albums in some unusual internet locations. (No not torrents) There's a Jazz project website you can get some old Parliament Funkadelic lossless downloads for example.