I stumbled on some 'mensural' chants in the California Mission archives of Santa Clara and for entertainment have put them into GABC (nothing to do with Green Acres Baptist Church). I learned about "!" this time:
name: Missa S. P. N. Dominici; user-notes:4 August ; commentary: Mission Santa Clara; annotation: Intr. 6to. ; office-part: Introitus; mode: 6; book: Missa S. P. N. Dominici; transcriber: Richard Mix; %width: 5; %height: 11; %spacing: vichi; %font: 12; %% (c4) IN(d) mé(f.)di(F)o(f) *() Ec(f)clé(g!f.)si(F)ae(f) (:) a(c!d)pé(f!g.)ru(F)it(f) os(h!g) e(f!g)jus:(F) (:) &(f) im(f)plé(f!g!h!i)vit(h) e(hj)um(h.) (:) Dó(ghg.)mi(F)ne(f.) (:) Spí(f!h.)ri(G)tu(f) sa(g!f)pi(d)én(f!g.)ti(F)ae,(f.) (:) et(f) in(g!h)tel(f)lé(d)ctus,(c) (:) sto(f!g!h)lam(h) gló(f!d.)ri(C)ae(c!c) (:) ín(f.)du(F)it(f) e(f!g)um.(f) Psalmus(::) Ju(f!g!f!g)cun(h.)di(h)tá(h)tem(h) &(h) ex(h)ul(g)tá(i)ti(h)o(g)nem:(f) (:) the(h)sáu(h)ri(h)za(hjh)vit(g) su(f)per(f) é(f!g)um.(f) (::) Gloria &c.(z)
There are a couple of errors in the transcription, I think. The dotted breve (square punctum) in California Mission manuscripts--at least in the ones at the Santa Clara Mission choir books--are always followed by a triangulado (punctum inclinatum).
I noticed you also didn't set the canto figurado hymn. Why not?
The end of the Communion is incorrect. Mode 5 for them was not centered on Fa but rather on Do most of the time, and was in fact usually C major. This antiphon ends on G in the manuscript, but on B in your transcription.
How did you come across this? I haven't known of any other researchers in the music of the California Missions.
Good catch; for c3 clef I try thinking movable Do in E major, but have slipped at "illis". Gregorio allows rudimentary polyphony, but the 'sequence' is better suited to a program that allows multiple verses to be underlaid. Did I miss another punctum inclinatum somewhere?
Btw Steve, we did meet before once virtually, and it's a pleasure for me to continue.
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