Hmm, so I guess I need to ask the obvious question: why don't you just set the
nochordsymbol to a slash?
%%
\version "2.25.21"
\language "english"
chordNames = \chordmode {
\set noChordSymbol = "/"
\repeat volta 2 {
c4 r r f
\alternative {
{r4 r g:7 r }
{r4 g:7 c2}
}
}
}
melody = \fixed c' {
\repeat volta 2 {
c'2. a4 |
\alternative {
{f4 a g b }
{f d c2 }
}
}
}
\score {
<<
\new ChordNames \chordNames
\new Staff { \melody }
>>
\layout { }
}
%%
I admit I didn't spend time to try to understand your code, maybe the MWE
doesn't convey something. Can't you just replace N.C. with whatever symbol you
want? I think it looks right.
