, increase the number of
  <code>nVoice</code> in Misc. section. Note that increasing
  <code>nVoice</code> consumes more resources.</p>
  </dd>
  <dt>Detune, Random Detune</dt>
  <dd>
  <p><code>Detune</code> is the difference of pitch between voices used
  in a unison.</p>
  <p>When <code>Random Detune</code> is checked, amount of detune
  changes for each note-on.</p>
  <pre><code>random = RandomDetune ? rand() : 1
detune = pitch * (1 + random * unisonIndex * Detune)</code></pre>
  </dd>
  <dt>GainRnd</d