@bonkmaykr @PurpCat @xianc78 @RK7 >But you cannot add DRM to try to stop people from copying it.
The GPLv2 and GPLv3 do not forbid digital handcuffs - you are permitted to implement them - it's just that nobody bothers as you need to give the user everything they need to break them.

>I don't think proprietary licensed music should entirely be off the table
Maybe, but out of purely economic considerations alone, proprietary licensed music should be off the table unless the terms are perpetual.