28 Feb Lenten meditation in songs The Chamber Choir Ensemble Versus, in collaboration with organist Karel Martínek and director Kateřina Křivánková, has prepared a meditative program of 20th and 21st-century choral works, Gregorian chant and organ improvisations based on the Stations of the Cross. Conducted by Patrik Buchta. from 7:00 PM to 8:00 PM