%{
You may have to install additional fonts.

Red Hat Fedora

  dejavu-fonts-all

Debian GNU/Linux, Ubuntu

  fonts-dejavu-core
  fonts-dejavu-extra
%}

\relative c'' {
  \time 3/4
  g2 e4
  a2 f4
  g2.
}
\addlyrics {
  \set stanza = #"1. "
  Hi, my name is Bert.
}
\addlyrics {
  \override StanzaNumber.font-name = #"DejaVu Sans"
  \set stanza = #"2. "
  \override LyricText.font-family = #'typewriter
  Oh, ché -- ri, je t'aime
}