Absolutely! I did this with Ridge Racer on the PS1. I tossed in Nirvana’s Bleach album, and Love Buzz lined up near perfect with one of the game’s track numbers.

I used to on my PS1 and Saturn. Actually, the first CD I ever purchased was Nirvana’s Nevermind, and the first CD player I had to play that on was the Sega CD.

I believe what they’re getting at is an issue if they’re not already authenticated prior to the outage. Then they’d have no access to their media unless they look into the workaround for that beforehand. It has been an issue in the past, especially when Plex’s auth servers go down. I remember plenty of Reddit threads complaining about it.

I’ve had success finding directories of chd’s after searching for something with “archive” “.org” “ps1” “psx” and “chd” as possible search terms.