A sideways answer is that practicing/studying X and then doing X will improve the efficiency of doing X. However, practicing/studying Y and then doing X can re

A sideways answer is that practicing/studying X and then doing X will improve the efficiency of doing X. However, practicing/studying Y and then doing X can result in novel ways of doing X that could be leaps and bounds better, or even lead to doing Z which is a breakthrough. It’s the efficiency vs serendipity discussion.