The Kiev National Theater of the Operetta has designated its own format of the event in the artistic world such as event which has international, cultural and diplomatic significance for Ukraine.
Every year early June, the International Music Festival of operetta, opera and musical "O-Fest" is held in Ukraine. Grand international gala concerts take place on the stage of the National Operetta of Ukraine and in the summer theater of the Buchansky Park in the framework of the festival. A symphony orchestra plays in the open air in the center of Kiev, artists present art performances, master classes, workshops and galleries also take place.
There are children's quests, a poetry theater, solo performances of artists and musicians, culinary presentations, numerous shows in the park of Bucha.