An auxiliary application for teachers and students of music institutions.It can be used on a smart board or in remote classes via video calls.The program was created by order and under the strict guidance of a professional teacher of the subject "Solfeggio" with extensive experience and experience.The program was tried, tested, and evaluated by several different teachers.It is suitable both for professionals who teach musical notation, and for children who perform work on solfeggio.The program is adapted for SMART boards and any touch screens. And it is also not deprived of the ability to control with a computer mouse.A simple interface and clear designations will allow you to play music without too much thought.