message: updating link
  fixes
diff: FatOscillator is also available in <a href="https://tonejs.github.io/docs/OmniOscillator">Tone.OmniOscillator</a>
  by prefixing another type with "fat", then use the count and spread to control the number and detune of the oscillators. To create a "supersaw": <code>omniOscillator.type = "fatsawtooth"</code>.
  <br><br>
  - <a href="http://www.midiworld.com/files/1121/">Jump by Van Halen MIDI</a> converted using <a href="http://tonejs.github.io/MidiConvert/">MidiConvert</a>
  + <a href="http://www.midiworld.com/files/1121/">Jump by Van Halen MIDI</a> converted using <a href="https://tonejs.github.io/Midi/">@tonejs/midi</a>
  </tone-explanation>
  <tone-content>
  