 Polish artists also worked abroad , outside of occupied Europe . <unk> <unk> , based in Britain with the Polish Armed Forces in the West wrote about the <unk> Polish Fighter Squadron . Melchior <unk> wrote about the Polish contribution to the capture of Monte Cassino in Italy . Other writers working abroad included Jan <unk> , Antoni <unk> , Kazimierz <unk> and Julian <unk> . There were artists who performed for the Polish forces in the West as well as for the Polish forces in the East . Among musicians who performed for the Polish II Corps in a <unk> <unk> cabaret were Henryk Wars and <unk> Anders . The most famous song of the soldiers fighting under the Allies was the <unk> <unk> na Monte Cassino ( The Red <unk> on Monte Cassino ) , composed by <unk> <unk> and Alfred Schultz in 1944 . There were also Polish theaters in exile in both the East and the West . Several Polish painters , mostly soldiers of the Polish II Corps , kept working throughout the war , including Tadeusz Piotr <unk> , Adam <unk> , Marian <unk> , Bolesław <unk> and Stefan Knapp . 
