(
	//Our Gui takes a dial tone from a telephone and morphs it with six different sliders that control the frequency of the sound.
	
	var w, n;
	n = 6;
	w = GUIWindow.new("DIAL", Rect.newBy(8, 44, 943, 715));
	w.backColor = Color.new(307 + 113.rand, 307 + 113.rand, 307 + 113.rand);
	
	// control views:
	6.do({ arg i;
	     var view;
	     view = SliderView.new(w, Rect.newBy(10, 28 * i + 8, 160, 16),
		     nil, 400,100,10000,0,'exponential').mapToController(i+1,7);
	    view.backColor = Color.new(307 + 113.rand, 307 + 113.rand, 307 + 113.rand); 
	view.knobColor = Color.new(240 + 113.rand, 240 + 113.rand, 240 + 113.rand); 
});

// play formants
Synth.play({
	// vibrato LFO
	f = SinOsc.kr(8, 0, 0, 168);
	Formant.ar(f, Plug.kr(w.at(0)), f, 0.4) +
	Formant.ar(f, Plug.kr(w.at(1)), f, 0.5) +
	Formant.ar(f, Plug.kr(w.at(2)), f, 0.2) +
	Formant.ar(f, Plug.kr(w.at(3)), f, 0.6) +
	Formant.ar(f, Plug.kr(w.at(4)), f, 0.3) +
	Formant.ar(f, Plug.kr(w.at(5)), f, 0.7)
	

});
w.close;
)