Lou Ottens

Lou Ottens, who put music lovers around the world on a path toward playlists and mixtapes by leading the invention of the first cassette tape, has died at age 94, 

NPR

Growing up , cassette tapes were my most prized possessions. I had a drawer full of them. Ashiquee, Dil, Saath Saath/Aarth (Remember side A and Side B ).