But the goal isn't neuroplasticity, it's to play a single song. If you're looking to compose or improvise, then sure. Otherwise, learn to play without mistakes.

But the goal isn't neuroplasticity, it's to play a single song. If you're looking to compose or improvise, then sure. Otherwise, learn to play without mistakes. I spent many years accepting errors in my playing and now wish I'd been more intentional in my practice habits.