Context: Where does the motivation for a tool such as UPIC come from?

History: We will have a short look at the history of the UPIC, and then at ten years of software innovations in a post-CEMAMu world.

Today: What tools do we dispose of now, when thinking graphically about sound?

tomorrow: Xenakis ideas were generally implemented in separate, independent programs. We will dicuss about integration two of them, sieves and stochastic sound, into a graphical editor.