The crossword solution for the term 'Subject of a Cantor Song' is SUSIE. Susie is a character in a traditional Jewish folk song, popularized by Cantor Yossele Rosenblatt in the early 20th century. The song tells the story of a young girl named Susie who is searching for her lost love. The song has been covered by many artists over the years and remains a popular choice for weddings and other special occasions.