The Japanese company launched the MiniDisc in 1992. For younger readers, that was the year of the Maastrict treaty, Windows 3.1 and Lethal Weapon 3. For older readers, it's when Miley Cyrus was born.

For most people, MiniDisc is just one of countless media formats that became obsolete when music went online. Not so for MiniDisc enthusiasts, many of whom still use a MiniDisc deck at home and a ...