Antiphony
opposition or contrariety of sound; also the alternate chanting or singing in a cathedral, or similar service by the choir, div divided into two parts for the purpose, and usually sitting upon opposite sides. It is sometimes used also when the parts are repeated instead of sung. Antiphony differs from symphony, for in the latter case the whole choir sing the same part. It also differs from responsorium, in which the verse is spoken or sung by only one person instead of many. ANTIPODES (an-tip'o-dez), the name given relatively to the people or places on opposite sides of the earth.