When Is the Best Time to Start Memorizing a New Piece?

Like many other young kids, I never really thought twice about memorizing music. In the course of working on a piece, it usually just happened.Of course, at some point, memorizing music becomes more difficult for everyone. The repertoire gets more challenging, you start having lots of repertoire to learn at the same time, and performance deadlines don't leave you with as much time as you'd like.And this is when you probably began memorizing music on purpose. Intentionally. Using specific memo...