Those Propers all include alternate verses of the Sequence hymn, set thus so as to allow for alternatim performance between the choir and the organist. The medieval Sequence was of particular interest to the Constance diocese, which included the monasteries of Reichenau and St. Gall where many Sequences originated.
Those Propers all comprise supplementary verses of the Sequence hymn, designed to facilitate concurrent performance by both the choir and organist. The medieval Sequence was of particular interest to the Constance diocese, which included the monasteries of Reichenau and St. Gall where many Sequences originated.