GFS (dcrochu's version as of 22/08/2023) + rsigns

Note: this can be 6 lines, but has an NLBA tag to avoid a quilisma line break, making it 7 lines, and therefore has a long reference to the altera pars. This all is to be changed if the score is revised.

added missing lse at "et NUNC"

Erreur de saisie NABC après "et nunc"

• syllabisations : nos/tri (2 fois) ; nos/ter • repositionnements mineurs NABC

• NABC : correction d'erreur à "ne timueRItis" ; décalage de neumes à "MEMENtote"