The Bolshoi Theater returns the ballet Marco Spada to the Historical Stage. Another important event will be the XVII International Tchaikovsky Competition. This year it will be held in Moscow and St. Petersburg from June 19 to July 1. And in Perm they are preparing for the opening of the Diaghilev Festival. The program includes symphony and chamber concerts, opera performances, experimental projects, classical and alternative music. Olga Rusanova, columnist for Radio Russia, introduces cultural news.