An amazing thing about this case is Google Book Search. 20 years ago the research in this case would have taken a team months & months to do. Today, anyone at

An amazing thing about this case is Google Book Search. 20 years ago the research in this case would have taken a team months & months to do. Today, anyone at all can do it in 60 seconds: https://www.google.com/search?q=%22Happy+Birthday+To+You%22&biw=1161&bih=733&source=lnt&tbs=cdr%3A1%2Ccd_min%3A1%2F1%2F1900%2Ccd_max%3A1%2F1%2F1935&tbm=bks https://www.google.com/search?q=%22Happy+Birthday+To+You%22&...