The Missale Romanum offers different antiphons to be sung during the sprinkling of holy water during the Easter Season. One of them is In die resurrectionis meæ. It is, other than you would expect, an actual authentic antiphon from the Gregorian repertoire of mode 8. The only thing is, it’s not in any modern (>1880’s) chant book.
There’s a multitude of manuscripts and codexes available online: https://cantus.uwaterloo.ca/chant/332481. These could help to create a critical transcription in square notes. Together with the adiastematic neumatic notations, this source (NL-Uu : Hs. 0415) could be a good starting point.
Who could help? Or do you know of any transcription that has already been published?
There’s a multitude of manuscripts and codexes available online: https://cantus.uwaterloo.ca/chant/332481. These could help to create a critical transcription in square notes. Together with the adiastematic neumatic notations, this source (NL-Uu : Hs. 0415) could be a good starting point.
Who could help? Or do you know of any transcription that has already been published?