Abe Schwartz was one of the heroes of early 20th century klezmer. His compositions include such classics as "Tants, Tants Yiddlekh," "Di Bobe Ligt In Kempet (Grandma's With Child)," and "Dos Zekele Mit Koyln (The Little Bag of Coals)," which he recorded in 1919 with an orchestra and Yiddish theater star Abe Moskowitz. His most famous song, "Di Grine Kuzine (The Female Greenhorn Cousin)," became the source of controversy when Hyman Prizant claimed that the tune copied his song "Mayn Kuzine" and Yankele Brisker claimed that it was taken from his tune, "Di Grine Kuzine." A compro...