He also chanted the antiphons according to his and our custom.
The ultimate source is the antiphons, &c., at vespers in October and November.
In the fourth century, according to Gevaert, antiphons were already known in the East.
The rest of the antiphons were given out as at Matins, by one on each side in turn.
The antifener contained the antiphons, responses, &c., necessary ...