1.  Over the years I have tried to keep my recorded CDRs in a cool dry environment and they seem to store well. Lately I have found that unrecorded CDRs apparently deteriorate with time. I have two examples: I was saving some TDK 74 minute CDRs under the (maybe misguided) notion that they were superior in some way to 80 minute CDRs. Then I found that when I used them, there were uncorrected errors at the end, after 55 minutes or so. (I check with Exact Audio Copy). Also I had some old Taiyo Yuden 80 minute ones that showed the same problem. In both cases they were 5-7 years old. I ended up using them successfully for shorter programs. New CDRs of generic manufacture show no such problem.

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