The main task of MusicGen (Artificial Composer) is the evolution of musical phrases. Taking on account profile of the problem some assumption of user's active participation in process of successive generations of musical phrases generation is required. This participation comes down to role of person who decides about properties of evaluating phrases by their estimation.

Program and text: Jerzy Blaszczynski, Marcin Szymanski
Mentor: Maciej Komosinski
Translation: Piotr Ceglowski