The ampersand symbol originated from Roman scribes joining the letters "e" and "t" in "et" to form a characteristic shape that was eventually pronounced as the 27th letter and corrupted to "X". "We Shall Overcome" was a key protest song of the Civil Rights Movement popularised by Pete Seeger. Mozart and Marie Antoinette were identified based on the story of them meeting as children in the Austrian royal palace of Schonbrunn.