Missus est Gabriel V Quae cum audisset

Feast: S. Gabrielis Archangeli

Office_part: re

Cantus ID: 007170

Submitter: marteo

Source: CH-SGs 390, 16
R. from the source, V. synthetic

A1N1R3 plus Alleluia from LH19, original verse, following Sandhofe's structure except the beginning

Fixes #59