Last week, I wrote a blog post that asked the question “What is mastery?” The responses were plentiful as they were thoughtful. Many thanks to all who jumped in and helped me wrestle with this unwieldy bear. After reading through the comments, it’s clear that mastery is different things to different people. It’s a complex issue. For many, mastery equates to a certain level of finesse in technique and proficiency with one’s instrument. Of these, all agreed that mastery, by this definition, is an…