On March 1, 2013 in the Glazunov concert hall at the St. Petersburg Conservatory named after N.A. Rimsky-Korsakov, “Hesar” for Symphony Orchestra will be performed by the Symphony Orchestra of the Opera and Ballet Theatre of the St. Petersburg State Conservatory under the direction of conductor Alim Shakh. “Hesar” was written in February 2013 on the basis of traditional Iranian music system “dastgah.” “Hesar” in Persian means “fortress” and it is one part of the Iranian dastgah called “Chahargah.”