The service of the ancient Christian church usually began with reading or with the singing of psalms. We are not to understand this as if their psalmody was performed in one course of many psalms together, without intermission, but rather, with some respite, and a mixture of other parts of divine service, to make the whole more agreeable and delightful. As to the persons concerned in singing the Psalms publicly in the church, they may be considered in four different respects, according to the different ways of psalmody; for sometimes the Psalms were sung by one person alone; and sometimes the whole assembly joined together, men, women, and children: this was the most ancient and general practice. At other times the Psalms were sung alternately; the congregation dividing themselves into two parts, and singing verse for verse. Beside all these, there was yet a fourth way of singing, pretty common in the fourth century, which was, when a single person began the verse, and the people joined with him in the close. Psalmody was always esteemed a considerable part of devotion, and upon that account was usually performed in the standing posture. As to the voice or pronunciation, used in singing, it was of two sorts, the plain song, and the more artificial; the plain song was only a gentle inflexion, or turn of the voice, not very different from the chanting in our cathedrals; the artificial song seems to have been a regular musical composition, like our anthems. It was no objection against the psalmody of the church, that she sometimes made use of psalms and hymns of human composition, beside those of the inspired writers. St. Augustine himself made a psalm of many parts, in imitation of the hundred and nineteenth, to preserve his people from the errors of the Donatists. St. ...