It’s probably pretty similar to sports. Some people are naturals, but almost anyone can learn to be really good at them, it just takes a shitload of work.
Being a natural at something is being good at pattern recognition, whether it is music, sports, cooking, writing, or pretty much anything prople can be good at. While the vast majority of people can get good at things through practice, there are people on the opposite end from the people where it comes naturally that won’t be able to do better than a beginnger even with a lot of practice.
There are the equivalents of being tone deaf for pretty much everything humans do.