"While there are different ways of thinking about jazz, in my work, I've used the metaphor of conversation. The philosopher Hans-Georg Gadamer tells us that a genuine conversation is always open - you never know exactly what will arise out of them. Although the aspect of spontaneity is greatly overemphasized in discourse about jazz,it is truly a central feature. Even when musicians have played the same tune many times, there is always what philosopher of music, Roman Ingarden, called "places of indeterminacy" (Umbestimmtheitsstellen). What makes all of this particularly interesting is that, as I will argue, jazz can easily be seen as a metaphor for life itself...."