Pilsen Children's Choirs Kajetán – The Children's Choir of the DJKT Opera, Malý Kajetán and Mariella will perform at a joint concert, the proceeds of which will be donated to the Ty and Já Association, r. a., which helps disabled young people with their integration into society. The young performers will sing together a composition callled Jen pár okamžiků, which was composed for this concert by Zdeněk Lahoda.