Hey folks. I have been looking for the Gregorian version of O lux beata Trinitas. I have seen the original Latin text in a number of sources, but I can't find the music setting in any chant books I have looked in. Any ideas? Thanks as ever.
Does the Liber Hymnariusversion have a clivis as the third neum of the third phrase? The Antiphonale Romanum (2009) has a podatus here, as do all of the older sources I could find. My choir sang Vespers II two weeks ago from you beautiful Liturgia horarumbooklet, and we got tripped up on that one.
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