  GENESIS3 is the new version of the GENESIS software environment for musical
creation by means of mass-interaction physics network modeling. It was
designed, and developed from scratch, in hindsight of more than 10 years
working on and using the previous version. We take the opportunity of this
birth to provide in this article (1) an analysis of the peculiarities in
GENESIS, aiming at highlighting its core ?software paradigm?; and (2) an update
on the features of the new version as compared to the last.
