This method of virtuosity, written especially for accordionists, includes exercises whose performance presents gradually increasing difficulties, as well as recreations of different styles. By a serious study of these exercises and recreations, the students will be able to obtain a Technique and an independence of both hands absolutely necessary to any accordionist worthy of the name. The equality of the notes is paramount. She must be perfect. It will be necessary to begin the study of these exercises very slowly and then accelerate the movement to obtain the Tempo indicated by the metronome at the beginning of each exercise. The student may have some difficulties. Let him begin the study with both hands separated. Interpretation is the art of execution. Nuances, and I particularly insist on this point, will have to be rigorously observed and respected if one wants to obtain the desired effect of each exercise. A conscientious work of these exercises will bring you this control of oneself in the execution which is the prerogative of the true virtuosos.