The following text was written to the standard output stream when the MysterySong.java program was executed from IntelliJ.
/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -javaagent:/opt/intellij-idea-community/lib/idea_rt.jar=36087:/opt/intellij-idea-community/bin -Dfile.encoding=UTF-8 -classpath /home/lpolycar/out/production/CS1:/home/lpolycar/Downloads/jfugue-4.0.3-with-musicxml.jar:/home/lpolycar/Downloads/SimpleComposer.jar:/home/lpolycar/Downloads/SimplePainter.jar mmw.MysterySong (C,1) / (D,1) / (E,1) \ (C,1) (C,1) / (D,1) / (E,1) \ (C,1) / (D,1) / (E,1) / (F,2) \ (D,1) / (E,1) / (F,1) / (G,2) Process finished with exit code 0