title: Changing instruments in javax sound midi Sequencer
body: <p>I have a Sequence player in which I simply open(), set the tempo, and start a Midi file where the Midi file is actually the bulk of my project (parsing a string file into a music piece)</p>
  
  <p>Now in all the complexity of my code, I can't figure out how to change the instrument per voice:</p>
  
  <p>The midi files can have multiple voices which my sequencer takes as being multiple notes to play at once. So if I have:</p>
  
  <pre><code>Voice: 1
  notes
  Voice: 2
  more notes
  </code></pre>
  
  <p>Then my sequencer will play those two parts simultaneously. Maybe splitting the two to play different instruments isn't doable but at least how do I change the Instrument for the entire sequence?</p>