Originally Posted By: tanstaafl.
One of the CDs showed a total file usage in excess of 710 MB, which I thought was "against the rules". Perhaps the maker of the CDs did this in an effort to prevent copying?

It would be "against the rules" for a data CD, but audio CDs are different. They have less error-correction, so there's more space left for actual data capacity. The WAV files that correspond to an 80-minute audio CD would add up to 807MB.

Peter