Czechoslovak Communist Song - “Kupředu levá, zpátky ni krok!“

Czechoslovak Communist Song - “Kupředu levá, zpátky ni krok!“ (“Forward left, no step back!“) were written by Czech composer Jan Seidel. Song was used as unofficial anthem of the Communist Party of Czechoslovakia and anthem of Czechoslovak Foreign Radio Transmission (Radio Praha) in ČSSR (1960-1990).