This film shows the development process of "Behaviouristic Instruments": a series of performative music instruments which pick up intrinsic body states such as anciety, happiness and laughter. The short exemplifies the fate of the 21st test subject who volunteered to play a guinea pig for the quality tests within the laboratories of "Behaviouristics Ltd.". (Quelle: http://www.ludwigzeller.de/project/test-cycle-21.html)