Vocal quartet ‘ABAGAR’ at Konstantin Preslavsky University of Shumen is a young creative formation, formed by the voices of the young and talented girls - Kalina, Stefka, Sofia and Hristina. They became famous and favorites of the audience in a very short time for their exclusive style belonging to an unusual aspiration of originality in stage performance. ‘ABAGAR’ vocal quartet is already known in the concert life of the country for its participation in master classes of the most prominent and world famous Bulgarian singers. Their repertoire is various and includes both acappella performances from the pure spring of Bulgarian folklore and vocal compositions from contemporary authors.