Many synagogues hire Klezmer bands to augment their holiday music. In typical trend-setting fashion, members of the Jewish Reconstructionist Congregation (JRC) came together to form their own in 1989. JRC invites the community to join a lively and participatory Kabbalat Shabbat Service and Hanukkah celebration featuring Heavy Shtetl performing long-time favorites like “Oh Chanukah” and “Ocho Kanelikas” (Eight Little Candles), and even a few originals written by members of the congregation, at 7 p.m. Friday, Dec. 16…