In this age of streaming dominance, physical CD sales might be down, but plenty of fans still snap them up for their collections—even if they never hit play, it's a solid way to support their favorite artists.
But when Japanese netizens recently started reminiscing about the golden age of CDs, one particular format popped up: the slightly smaller "8cm CD." This once-popular disc had a moment in the Japanese music scene, but these days, it seems to have faded from memory for many—and younger generations might not even know what it is...
The illustrator who sparked the discussion drew a diagram of how these "8cm CDs" used to open, captioning it, "Take a look at this—if you know it, you're from my era!" This instantly triggered a wave of nostalgia for many netizens. While the design was a bit perplexing, it was definitely a popular Heisei-era memory.
Many users chimed in, confirming that these CDs were everywhere back then. Artists like Namie Amuro, SMAP, Utada Hikaru, and Arashi, even game soundtracks, all used them. The rectangular packaging with a smaller disc inside always raised questions: "Why the long rectangle?" and "What's the point of that plastic frame at the bottom?" Even today, plenty of people are still scratching their heads.
Some netizens recalled that the design was actually meant for easier storage: you could detach the plastic frame and fold the packaging into a neat little square. Despite this explanation, many still found it utterly bizarre, with some even admitting they fell into either the "fold it" or "don't fold it" camp.
While "8cm CDs" are long out of fashion and virtually nonexistent in the market today, they remain a fond memory for many. Still, the mystery of that "fold or don't fold" packaging design probably continues to stump them to this day.
via： togetter