■ CONGREGANTS AT Jerusalem's Great Synagogue were in for a special treat on Friday for a Shabbat service that was slated to include a special liturgical recital by cantors Yechiel Nahari, Elchanan Mishmarti, Netanel Cohen, and Moshe Dweck. The service was also set to include Sephardi Chief Rabbi David Yosef, who is the third member of his family to hold this illustrious position, and Jerusalem Mayor Moshe Lion, who is himself a singer and, during his army service, was a member of the IDF's