Chord names font

[gio]

Hello everybody!!
I'm trying to change the font used to print the chord names using the
"override Chordname font-name" command. It works fine (thanks Steve!),
but it doesn't print the chord root alterations. This is the code I'm
using:


\new ChordNames 

  \with {
    \override BarLine #'bar-size = #4

    \consists Bar_engraver
    \consists "Volta_engraver"
  }

  { \override ChordName #'font-size = #2
    \override ChordName #'font-name = #"Nice"
                                  
    \chordmode {                                                       
    c1:maj7
    cis:6
    des:7
    c:7/bes
    } 
  }


Can you help me?? Thanks!

Gio