~~Special Musical Cantor in Residence, Friday, December 25 and Saturday, December 26, 2015. Kol Ami invites you to join us for a special musical Cantor in Residence. Join us for a beautiful Duet Shabbat with Cantors Benjamin Matis and Beth Schlossberg. On Shabbat Morning, Cantor Matis will teach a class after services entitled the "Jews of Poland and the development of progressive Judaism."