/usr/share/doc/pmw/examples/ex45 is in pmw-doc 1:4.27-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | *define 1 "\rm\\sc\1"/b/c
*define 2 "\rm\\sc\2"/b/c
*define 3 "\rm\\sc\3"/b/c
*define 4 "\rm\\sc\4"/b/c
notime
unfinished
[stave 1 alto]
&1 d- &3 c'= &2 b=; &4 d'- &3 f-; &1 d= &2 b= &3 f= &4 d'=;
&2 b= &3 f= &1 d- [space 4]
[endstave]
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