Mr. Robert Sandler took a small group of students from his Jewish history class to the Museum at Eldridge Street for an afternoon of music with the foremost Klezmer violinist Jake Shulman-Ment and virtuous cantor Yoel Kohn. Kohn played the kind of traditional chazones (cantorial music) one might have heard at the Eldridge Street Synagogue at the turn of the century. While klezmer represented the secular side of the musical coin in Ashkenazi communities of Eastern Europe, and cantorial represented the religious side, these two vital Jewish art forms share a common folklore and a common heart.