Thanks to enthusiasts at minidisc.wiki, you can still add songs to a MiniDisc from a modern computer using its web app. Which means we live in a world where a Pixel 9 Pro can talk to a MiniDisc player ...

I have a original playstation with Tekken 3 and two controllers; a Sony portable minidisc player (MD30, I think - will check when I get home from work) with about 15 minidiscs; A generic 15" monitor ...