Hello, dear reader. This week I thought I would write about the changing world of defining and measuring musicality. Once upon a time it was a simple case of asking someone how many years they had been training as a musician. Maybe you might stretch to how often they had practised in the past or now. But essentially, that was it; one or two numbers which defined an individual’s musicality. And we learned a lot  using this method. If it did not work, if it did not throw up fascinating group differences, then it would have disappeared a long time ago. But the fact is that it fostered decades of…