Mortal my life begins on now!

          sketch1.midi           sketch1.pdf           sketch1-sheet.pdf           sketch1.mp3
              Refer files;    sketch1.ly     sketch1-sheet.latex     run--lily.cmd      run--lily.sh
              Actual files Download; sketch1.tar.gz ( About; 50,350bytes )
       Windows (cmd)>run--lily sketch1[Enter]      Linux (bash)$ ./run--lily.sh sketch1[Enter]

This sounds "sketch1.mp3".