Gary E. McPherson

Clarissa was a fifteen-year-old musician.

She was part of this study done by a, a psychologist named Gary McPherson.

And McPherson tracked her study for months, and he identified one segment, one brief segment, six-minute segment, where she progressed more than she did in a month of normal practice.

And the question is: What did that look like? Well, Clarissa's sitting down.