In this digital age, it’s hard to believe that anything other than a digital file can hold music. But, believe it or not, there was a time when people listened to music on CDs. And, believe it or not, those CDs can still be played today.

How long can a CD be? In theory, a CD can last forever. However, in reality, a CD will start to deteriorate after about 100 years. The disc will start to become scratched and the data will become corrupted.

Interestingly, the life of a CD is not affected by its environment. whether it’s stored …