I need help with using half, quarter, and double bar lines in modern chant notation. I did a bit at the beginning of the score, but that's because I was going off of a sample of another Gloria.
As a general rule, I would say: - put a quarter bar at a point in a sentence, where there is a clear comma and where the singer can take a short breath - put a half bar at a semicolon or semicolon-like place in the sentence - put a single bar at the end of a sentence (or, in a psalm verse, at the end of the first half verse) - put a double bar at the end of a piece or whenever the congregation takes over from the choir or vice versa.
You can also look at these modern mass settings; they're mostly chant based, but in modern notation. There's some variety in the use of bars, but you can certainly find a system that suits your composition: https://www.ccwatershed.org/mass/
In the case of the example that you don’t find overly helpful, I suspect the double bars are due to smvanroode’s 4th rule: whenever you switch between cantor/schola and congregation.
Hmm.... It'll fill the staves with eighth note flags disconnected due to the syllabic nature of the music and text. I'll just follow your guide, @smvanroode.
I don't see why you would want to use half and quarter bars in modern 5-line notation. Certainly a double bar after the priest's intonation would make sense, though.
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