At the opening ceremony of the Kastav Cultural Summer, Robert Grubisic's most popular songs will be performed by solo and a cappella artists from Kvarner region. We will have the opportunity to hear Voljen Grbac, Joso Butorac, Mirko Cetinski, Mario Battifiaca, Karin Kuljanić, Mirjana Bobuš, a cappella enseble “Sol”, Tramuntana, women's a cappella ensemble Kastav (“Ženska Klapa Kastav”), Vivien Galletta, Damir Kedžo, Rivers, Ivan Pešut and Fortunal.