Liturgy, a complex interweaving of word, text, song, and behavior is a central fixture of religious life in the Jewish tradition. It is unique in that it is performed and not merely thought. Because liturgy is performed by a specific group at a specific time and place it is mutable. Thus, liturgical reasoning is always new and understandings of liturgical practices are always evolving. Liturgy is neither preexisting nor static; it is discovered and...