A solid finger dexterity equally well developed with regard to precise touch and time has been until today the alpha and omega of piano technique. The school Le Pianiste-Virtuose by H.L. Hanon the object of which is above all the development of a brilliant five fingers technique has therefore not lost any of its high pedagogic value; these exercises not only present a solid foundation for the pupil but also help the expert pianist to maintain his technique on its high level. Hanon's exercises are an exhaustive compendium of piano-technical foundations.