device for the support and professional support the learning of piano playing;

摘要

devicesupporting data and professional;the learning of the klavierspielens fully a plate (1) with al & auml; nge lat least the l & auml; ngean octave on the piano (4), of a widthb such that they aufgeklapptem tastendeckel (5) in the fieldthe klavierk & all; bodywho tastenenden to the inside cover can be putaccording to the final with a tastenaufdruck & auml; chlichen klaviertasten andwith a tastenbeschriftung (3, 10).