How to invent a technology used by thousands and succeed in the attempt? Sam Aaron, digital researcher and software architect and computational thinking, is a master of live coding and creator of Sonic Pi, a tool used to create and teach composition in an agile and intuitive way. Firm defender of the code from an artisan point of view, approaching us from the conceptual intelligence and not from the computational, he was performing live music with his tool on last afternoon at Eufònic: high intensity algorithmic techno.