Martha Schlamme, who fled from Nazi Germany to England, sings a moving Yiddish song about the Sephardim, the Spanish Jews forced to convert to Christianity by the Inquisition in 1492. Many continued to practice Judaism in secret. They were called Marranos, a derogatory word for pig, used to emphasize the expectation that they would now eat pork. The Seder is the feast of Passover and the Haggadah is the telling, at Passover, of the Jewish liberation from slavery in Egypt. Matzohs are the white unleavened flatbreads served at Passover.