April 21 was the birthday of opera singer and vocal instructor Estelle Liebling (1880-1970). Liebling was from a very musical German-Jewish family from Silesia (a Duchy that was annexed by Prussia, then part of the German Empire, now part of Poland). Her father Max, and uncles George, Emil, and Solly Liebling were all successful concert […]
SOURCE: Trav S.D. at 05:01PM on April 21, 2026