Voce Segreto is a mixed youth choir operating at the Miejski Ośrodek Kultury (MOK) cultural centre in Żory, directed by Andrzej Marciniec.
Its founder is Andrzej Marciniec, a graduate of the University of Silesia in Cieszyn, who has been a conductor and a teacher of music education in the Karol Miarka Liceum since the beginning of the choir's existence.
[4] The members of the choir are students of Karol Miarka Liceum and other municipal middle and high schools.
The repertoire that the choir sings at a concert depends on the liturgical period or season, among other things.
A large part of the works are prepared by the conductor, "Czarna Alibaba", "Majowa Ballada", "Wieża Babel" or "Przybieżeli do Betlejem".