Using the quintessence of the co-creativity and AI tools invented in the Ircam's Musical Representations team associated with the European ERC REACH project and human sciences institute EHESS, this work surveys the long collaboration that associated the team with the great musician Bernard Lubat, and accompanies it with a 168-page critical apparatus of epistemological reflexion on the conditions of hybrid creativity.

This will undoubtedly be a milestone in contemporary creation involving what some lightly (but with hope) call artificial intelligences.