In which he or she is improvising and make a, and react at digital speed to the sound thats going on around them. So Charlie Parker became one of the most masterful expoints of that expoints of that ability. Its not magic, but people dont usually know that thats what a person has to do. You know . Host is all jazz improvised . Guest no. But the majority of it is. Now, there are some people who have written what they call throughcomposed pieces in which every note that you hear has been previously written, and the players are actually performing a written composition. Now, that doesnt mean that artistry is not used, because every great concert musician actually does that. They dont make anything up, they just, they just color it with different nuances. And so the artistry of a concert musician is like that of an actor. If you play ham let, you are going to say to beor not to be, right . But its the way you say it that makes it an artistic statement or not. So if you so what a jazz music