Well, at least in Portugal.  It turns out that’s more of a Brazilian thing, I guess. But I just found something on the intertubes that literally made me jump up off the couch, do a back flip, kick someone in the head, and then land in split:

For those who think following the semiological method is license to sing chant according to your own personal whims and fancy, I have to say this reading is very close to my own (if I had to rely on the St. Gall neumes alone).  Now, my actual performance might differ slightly — that’s the interpretation part — but as far as short and long notes go, and the overall rhetoric of the piece, this is pretty much dead-on with my understanding of the text.

I don’t know who these people are, but bravo!