But what exactly was it, and why does it still evoke such powerful nostalgia? Technically, a MIDI file is not an audio recording. It is a set of instructions: "Play note C4 at volume 80 for 2 seconds on a piano sound." The final sound depends entirely on the listener's sound card (GM—General MIDI).
(Happy listening!)
That isn't a bug. That is the sound of the early Hungarian web. magyar midi