Re: Fretboard diagrams: Why does LilyPond sometimes try to interpret ":7" as a duration?

[Carl Sorensen]

> respectively, work fine. The third has a bit more going on, but adding:
>
> > %%%%
> > frets = { g4 c4 a4 d4:7 }
> > %%%%
>
> now gives me:
>
> > error: not a duration
> >  g4 c4 a4 d4:
> >              7
>
> (Without the frets score, everything is fine.)

You are not in \chordmode 

frets = \chordmode{g4 c4 a4 d4:7}

Carl