with concurrency control • Improvisation as a stylistic combinatorial system • Open form establishes a set of conditions and actions for synchronization • Generalizes and automates existing DAW tools (session view - clip, follow...) Combinatorial systems date back to ars inventendi (Leibniz) and are the core of ars magna (great art) of the Franciscan monk Ramon Llull (1232-1316), as well as the ecstatic Kabbalah of Abraham Abulafia (1240-1291), and Renaissance philosophers such as Giordano Bruno (1548-1600). ’́One should not pay attention to the properties of terms but only to the fact that they define an order, a texture, an architecture‘̀ U. Eco, The Search for the Perfect Language, Wiley-Blackwell 1997 Shlomo Dubnov - University of California, San Diego - CREL (2016) Automatic Construction of Interactive Machine Improvisation Scenarios from Audio Recordings 20/20 20/20