This paper presented the researches and the developments realized for an artistic project called Luna Park. This work is widely connected, at various levels, in the paradigm of the concatenative synthesis, both to its shape and in the processes which it employs. Thanks to a real-time pro- gramming environment, synthesis engines and prosodic trans- formations are manipulated, controlled and activated by the gesture, via accelerometers realized for the piece. This paper explains the sensors, the real time audio engines and the mapping that connects this two parts. The world pre- miere of Luna Park takes place in Paris, in the space of projection of the IRCAM, on June 10th, 2011, during the festival AGORA.