1 on 1 Bar or Bas Mitzvah lessons online via Webcam! By Rabbi Zalmen Stiefel Experienced Orthodox Cantor and Teacher Rabbi Stiefel has served for many years as a Rabbi and as a Chazzan at Synagogues in Montreal QC, Moncton NB and Laval QC. His voice-style, and wide-ranging repertoire, appeals to the young modern audience and to the older connoisseurs of Chazzanut.