Here is a youtube link to the story of the writing of the song Sound of Silence, and how it connects to blindness. https://www.youtube.com/watch?v=deZKEy3nVyU&feature=youtu.be&fbclid=IwAR0ldDQ22Xx-dPOa7AvdyRNNm9n3wEMAXxCp15O3cOaEgzSx08yYvIsnSw0