Feast: Ss. Angelorum Custodum
Office_part: an
Cantus ID: Unspecified
Status: SELECTED
Sandhofe + formulaic rsigns, drawn from other such AA/s e.g. 0929N1A1 and 1130N1A2 ; quilisma on (ver)-BUM added from 1130N1A2.
Removed to liquescences on -r that are not really liquescent