def METHOD_NAME(self, midfile, wavfile):
    """Run timidity to convert the MIDI to WAV."""
    self.wavfile = wavfile # we could need to clean it up...
    j = job.Job()
    j.decoder_stdout = j.decoder_stderr = codecs.getdecoder('utf-8')
    j.command = ["timidity", midfile, "-Ow", "-o", wavfile]
    self.run_job(j)