> In this example, I cloned the directory of the git repository, then > included the /otf directory like this: > > ~/lilypond-2.25.17/bin/lilypond -I /path/to/cadence/otf/ -dcrop -o > cad_new cad.ly > > Does this look correct?
No, it is not correct. Option `-I` is for LilyPond input files and not for basic resource files like the music fonts. Please follow the instructions given in the NR section 'Replacing the notation font'. Werner