Mup (Musical Publisher) 6.2 is available for download (2013/11/24)
"Mup (Musical Publisher) is a little command-line program which reads an ASCII file containing specific directives and gives in output brilliant. PostScript files containing musical scores with notes, staffs, clefs, tempo and key signature, with many features and facilities."
Hobbes: http://hobbes.nmsu.edu/h-search.php?key=mup62.zip
Source: eCSoft/2