• Install LilyPond
• lilypond wintermute.ly

• Install Qsyth and any sound found you like
• Install your distro's package providing the pmidi command
• Launch Qsynch and configure the sound font
• Run pmidi wintermute.midi

By using this approach, you can simultaneously connect a MIDI keyboard and have QSynth play both the notes from your keyboard and the LilyPond-generated midi file.

• Install and configure timidity++
• Compile the notes
• Run timidity wintermute.midi

• Install entr
• Run the autobuild script from the repository
• Try the zathura pdf viewer, it reloads the PDF file automatically and supports theming