Hi! I am studying Byzantine singing, which uses neumes to record melodies. Have you ever met a player or a converter of this notation into a five-line one in the lilypond program? Are there any developments on this topic at all?
Например посмотрите книгу по византийскому пению:
Langue N. "A guide to the music of the eastern orthodox church", 1984.
https://www.newbyz.org/guide_to_music_of_eoa.pdf