The present invention enables natural movements to be achieved even when a computer graphics (CG) model is caused to move so as to match a tempo. A device pertaining to an embodiment of the present invention is characterized by being equipped with: a control unit for performing control, by using multiple data respectively corresponding to instances where values for a predetermined parameter are different from one another, so as to generate specific data that corresponds to an instance where the predetermined parameter has a specific value; and a reproduction unit for reproducing a predetermined CG model on the basis of the specific data.