Recently I started looking at ways to get
Drumpster to output MIDI on non-Windows platforms and came across
FluidSynth. It allows for MIDI playback and conversion to WAV files if you so choose. In order to do so, you need to provide a
SoundFont (which provides instrument samples that are used to convert the MIDI data to wave data).
In my search for some free SoundFonts, I came across the Rhodes Piano one listed
here (decompressor
here), and I find it absolutely beautiful to listen to. It has a melancholic joy to it (making me think of Everclear), sometimes sounding menacing like the music in
Tron.
So armed with the Rhodes SoundFont and a Windows binary from
here, I converted a few MIDI files and put them up on SoundCloud.
To convert some yourself, an example commandline for this would be:
fluidsynth.exe -F output.wav input.mid jRhodes3.sf2
P.S. It also turns out that FluidSynth has a delightfully easy to use Python wrapper
here.