Oh, yeah. I mean in more than one dimension actually. Certainly that way but also I think I developed a sound, you know, like a certain power also with him. Because he was powerful, and his music was powerful and also you had to have power to be with him.  Not just power in terms of audibility, which you definitely needed that, but another, a different -- all the different manifestations of power. So I mean my professional teeth were really cut with that group. And yeah, he was hard, because he was very hard to please, so you were constantly trying to do that for him.