Includes specific tracks (TNO 39-41) for testing 50/15us de-emphasis circuits. Dealing with the ".rar" Archive
According to digital folklore, the file was uploaded by a retiring Sony technician who wanted to ensure the "DNA of digital audio" survived the transition to MP3s. Within that compressed file was a bit-perfect rip of the original 1982 disc. The Legend of the "Perfect" Calibration Sony Test Disc Yeds-7.rar
And the file size was growing.