This is musixtex.lua version 0.18.
Processing musixdoc.tex
  latex musixdoc.tex
  musixflx musixdoc
  latex musixdoc.tex
  makeindex -q musixdoc
  latex musixdoc.tex
  latex musixdoc.tex
!  LaTeX Warning: No \author given.
!  LaTeX Font Warning: Font shape `OMS/cmtt/m/n' undefined
!  LaTeX Font Warning: Some font shapes were not available, defaults substituted.
  dvips -e0 musixdoc
  ps2pdf musixdoc.ps
musixdoc.pdf generated by ps2pdf.
  removing musixdoc.mx1
  removing musixdoc.mx2
  removing musixdoc.dvi
  removing musixdoc.ps
  removing musixdoc.idx
  removing musixdoc.log
  removing musixdoc.ilg
---   TeX files actually included according to musixdoc.log   ---
./musixtex.tex
  MusiXTeX(c) 1.24 <2017-02-28>
/usr/local/texlive/2017/texmf-dist/tex/latex/musixtex/musixltx.tex
  MusiXLaTeX T.61 <25 September 1996>
/usr/local/texlive/2017/texmf-dist/tex/generic/musixtex/musixlyr.tex
  MusiXLYRics 2.1c <June 10, 2003>
/usr/local/texlive/2017/texmf-dist/tex/generic/musixtex/musixlyr.tex
  MusiXLYRics 2.1c <June 10, 2003>
/usr/local/texlive/2017/texmf-dist/tex/generic/musixtex/musixlyr.tex
  MusiXLYRics 2.1c <June 10, 2003>