Not really, musicians used to copy, adapt, or mock other musicians music in the middle ages from what I've read, a famous example was Mozart transcribing the Va

Not really, musicians used to copy, adapt, or mock other musicians music in the middle ages from what I've read, a famous example was Mozart transcribing the Vatican "secret" song. Same with art, painters have always learned by imitation. History is full of "copyright infringements" (if you look at it with a modern glass), either benevolent of apprentice learning from their masters or adversarial copying the competition.