A master class of Jazz vocals took place at 15:00 p. m. on February 15th, at the Spendiaryan House-museum events' hall. The project was realized by «Lalayan Art Studio» that organizes various studies and promotion of Jazz music. In the frame of the master class the young vocalists met the Jazz singer Anna Vardazaryan from Russia, were informed about her professional principles and the methods of overcoming the rich and difficult sides of Jazz singing.