Classical music could be heard as one walked into the B’nai Israel Cemetery on Sunday morning. In the center of the cemetery, shaded by trees, stood a 6-foot tall, 7-ton tombstone, covered by a blue sheet. The music marked the beginning of a ceremony to unveil a memorial to remember the 6 million Jewish men, women and children who were killed in the Holocaust.The ceremony followed the traditional Jewish unveiling of a headstone. Prayers were led by rabbis, and about 100 who attended followed their lead in reciting the prayers in Hebrew. Alice Freifeld, a University of Florida department of history associate professor whose parents were Holocaust survivors, spoke at the ceremony.