Sophie Carmen Eckhardt-Gramatté

Sophie Carmen Eckhardt-Gramatté (Russian: Софи Кармен Экхардт-Граматте; 6 January 1899 [O.S. 25 December 1898] in Moscow, Russia – 2 December 1974 in Stuttgart, Germany) was a Russian-born Canadian composer, virtuoso pianist, and violinist.