message: needs to set detune outside of signal being overridden
diff: @@ -195,6 +195,7 @@ export class FatOscillator extends Source<FatOscillatorOptions> implements ToneO
  }
  this.frequency.connect(osc.frequency);
  this.detune.connect(osc.detune);
  + osc.detune.overridden = false;
  osc.connect(this.output);
  this._oscillators[i] = osc;
  }
  