Super video demonstration but...
Let's consider the assumptions he is making about you the student/listener.
What is my job?
I prepare students to understand and execute what he is talking about. The first thing we will do is assess your situation and then we'll draw up a logical plan.
BTW: in 2017, I studied with Peter Martin in Rome Italy. He's a great guy and a very skilled musician. When I grow up, I want to play piano like him. FYI. I was in Rome studying jazz drumming with Greg Hutchinson. Greg played in Ray Brown’s last group.
You've got to learn your instrument. Then, you practice, practice, practice. And then, when you finally get up there on the bandstand, forget all that and just wail.
I'm a professional pianist and music educator in West Toronto Ontario. I'm also a devoted percussionist and drum teacher.