In 1935 BASF were major manufacturers for the Third Reich and produced both Zyclon B and the worlds first tape recorder. According to the Third Reich this machine and machines like it were going to tape all of Hitler's speeches, for playing for 1000 years, so that when Adolf hit his high notes, even when replayed on tape, they would break glass. The pictures above of Krystalnaght prove that he had hit the right notes live, early on.