Why would you think Cakewalk is dead? Bandlab took ownership of the Sonar and Cakewalk programs from Gibson when they were divesting themselves of a bunch of stuff they shouldn't have bought in the first place.
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I doubt that it is the same program that you bought 10 years ago. Like everything in the computer world, stuff changes fast. However, I think Bandlab is still operating the licensing servers, so if you have the documentation, you should be able