(
SynthDef.new(\iter, {
	arg freq=40;
	var temp, sum, env;
	sum = 0;
	env = EnvGen.kr(
		Env.perc(0.01, 5, 1, -2),
		doneAction:2
	);
	10.do{
		temp = VarSaw.ar(
			40 * {Rand(0.99,1.02)}!2,
			{Rand(0.0,1.0)}!2,
			{ExpRand(0.005, 0.05)}!2
		);
		sum = sum + temp;
	};
	sum = sum * 0.05;
	Out.ar(0, sum);
}).add;
)

Synth.new(\iter, [\freq, 66.midicps]);
Synth.new(\iter, [\freq, 73.midicps]);
Synth.new(\iter, [\freq, 80.midicps]);
Synth.new(\iter, [\freq, 75.midicps]);

(
SynthDef.new(\iter2, {
	arg freq=200, dev=1.02;
	var temp, sum;
	sum = 0;
	20.do{
		arg count;
		temp = SinOsc.ar(
			freq *
			(count + 1) *
			LFNoise1.kr({Rand(0.05, 0.2)}!2).range(dev.reciprocal, dev)
		);
		temp = temp * LFNoise1.kr({Rand(0.5,8)}!2).exprange(0.01,1);
		sum = sum + temp;
	};
	sum = sum * 0.05;
	Out.ar(0, sum);
}).add;
)

x = Synth.new(\iter2);
x.set(\dev, 1.3);
x.free;