Shoppa, Tim wrote: Yes. That was the test platform for an early CD-ROM company I worked for. We also had a Meridian Data CD-Publisher. It wrote 9-track tapes that we sent to PDO Holland. They would send us back some count of CDs along with the glass master. That was what? 1983 or maybe 1984. I had one of those glass masters in my office for a while but I've lost it somewhere along the way.