The vocal ensemble Gregoriana was established in the autumn of 2004. Since then its members regularly perform at Latin services in the St.
Elisabeth’s cathedral in Košice, Slovakia. The repertory of the ensemble except Gregorian chant consists mainly of the renaissance and medieval polyphony, but also present church choral works. Besides performing at the liturgy the ensemble performs at concerts, mostly in Košice and near regions. The ensemble’s members are amateur singers with singing experience from other choirs. The head of the ensemble is Marek Klein (1969). He is intensively interested in Gregorian chant from 1992. Besides the self-study and liturgical praxis he attended several courses and events connected with Gregorian chant under the guidance of personalities such as Jiří Hodina, David Eben, Louis-Marie Vigne, Alberto Turco, Nino Albarosa, and Dom Yves-Marie Leliévre. He also participates in organising of events of this kind.