The instant you start to sing the smaller note, you should be on the "l" in "cel."
I'm sure there are other interesting things people do with it, though.
If I understand the Latin, it doesn't sound much different to the so-called 'West coast' interpretation to me.Seminota, qua cephalicus fg et epiphonus i desinunt, haud reperitur nisi in fine unius syllabae, quando simul, altera continuo succedente, occurrunt aut gemellae more diphtongi junctim efferendae vocales, v. g. AUtern, Y,]us, alleluia; aut plures contiguae consonantes, v. g. oMNis saNCTus…
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