Electric tutor for directly indicating manipulations to be actuated, musical instrument with built-in electric tutor, method for guiding fingering and information storage medium for storing program representative of the method

摘要

A keyboard musical instrument is equipped with an electric tutor for guiding a trainee in a practice thereon, and the electric tutor sinks a black/white key (201) before a timing (t1) to depress for a previous notice and it at the timing (t2) for an inductive action, thereby allowing the trainee to pay the attention to his fingers.