In the early days of the compact disc, there was a lot of debate about how many minutes would fit on a CD. In fact, there was a lot of confusion about the size of a CD in general. The original size of a CD was specified as 650MB, but people were unsure how much of that would be usable.

In the end, it was determined that a CD could hold up to 74 minutes of music. This is because the data on a CD is stored in a spiral pattern, and the further the data is from the center …