[20] Antiphonal is here used in the sense that one part of the chorus answered the other.
[21] Carl Engel: ‘Music of the Most Ancient Nations.’
[22] A sort of rattle.
[23] Translated from a summary by Jules Combarieu In his Histoire de la musique, Vol. V, Chap. XIV.
[24] Concerning the influence of the temple and synagogue on the liturgical music of the early Christian church, see Chapter V, p. 157 ff.
[25] ‘Laws,’ Book II.
[26] ‘The Five Great Monarchies of the Ancient World.’ (1862-67.)
[27] Denkmäler aus Ägypten und Ethiopien.
[28] Chas. Burney: ‘History of Music.’
[29] Book X, Chap. 3.