What’s actually on the floppy, then? The corresponding Spotify album URL. He just pops a disk in the drive, and the Pi does the rest — it detects the floppy event and executes a script that ...

the 8-inch disks had a flexible and truly "floppy" feel. They were made from a thin piece of magnetized material encased in a protective plastic envelope, with a central hole for the drive's spindle.