Frederic was so enterprising that I did not even have time to propose an alternative to his request. So I followed him downstairs to a closed room. Before opening it, he turned to me and calmly addressed me these few words: "What you will see here, my dear friend, will be a revolution for science and for humanity in general.I know that someone another one might take me for a quack and even a madman, but I also know that your mind is free from the stifling barriers that culture imposes on us.The imagination is the most precious good that a man can offer to a man and he has offered it to us both.This gift separates us from the animal and allows us to see beyond the limits fixed by nature, and it is for this invaluable quality that I invited you here to assist me. To open new horizons for humanity. " After this speech, which left me speechless, he took a little key out of his pocket, opened the door, and in a small creaking he revealed a room entirely painted in black, without any furniture. A small wooden box was enthroned in the center of the room and a gramophone was placed to his left ...