Adonai, Adonai (13 attributes of mercy)
Adonai, Adonai (13 attributes of mercy) by Gideon Zelermyer cantor at Shaar Hashomayim Orthodox synagogue in Montreal. Sung during holidays, Rosh Hashana & Yom Kippur.
This prayer is repeated in many services on (high) holidays- usually occurs in the Amidah e.g. Birnbaum Mahzor p. 539 or Birnbaum Prayer book p. 363