Rudolf PerakRudolf Perak was an Austrian composer of film scores who worked mainly in Germany. He wrote the scores for many documentaries during his career, including a film directed by Leni Riefenstahl.Selected filmographyWedding at Lake Wolfgang Stronger Than Regulations Stjenka Rasin Signal in the Night Twelve Minutes After Midnight Melody of a Great City Oh, You Dear Fridolin ''Bis fünf nach zwölf – Adolf Hitler und das 3. Reich''