a_stage_design_by_vladislav_hor_the_last_act_of_berg_s_wozzeck mk270 a stage design by vladislav hor the last act of berg s wozzeck, for the prague premiere in 1926, one year ofter the opera s debut in berlin. mk270 a stage design by vladislav hor the last act of berg s wozzeck, for the prague premiere in 1926, one year ofter the opera s debut in berlin.