 handle. Scroll bar also has following controls:</p>
  <ul>
  <li><kbd>Right Click</kbd> : Reset zoom.</li>
  <li><kbd>Mouse Wheel</kbd> : Zoom in/out.</li>
  </ul>
  <h2 id="caution"><a href="#caution" class="header-anchor"
  aria-hidden="true">Caution</a></h2>
  <p>Output amplitude varies greatly. Recommend to insert limiter after
  ClangSynth.</p>
  <p>FDN may blow up if some parameters change too fast. Use LFO and
  envelope with caution. When parameter is changed while playing, it
  breaks the assumpti