(
SynthDef(\hhgen, {
	var sig;
	sig = Pulse.ar(Array.fill(6, {arg i; \freq.kr(20) * (i + {Rand(1.02, 1.03)})}));
	sig = Mix.ar(sig);
	sig = BPF.ar(sig, 10000, 0.15);
	sig = HPF.ar(sig, 7000);
	sig = LPF.ar(sig, 3700);
	sig = HPF.ar(sig, \ff.kr(1500)) * 20.dbamp;
	sig = sig * Env.perc(0.001, \decay.kr(0.1), curve: \curve.kr(-4)).ar(Done.freeSelf);
	sig = Pan2.ar(sig, \pan.kr(0));
	Out.ar(\out.kr(0), sig!2);
}).add;
)

// Synth(\hhgen, [freq: 60, decay: 0.1, ff: 6000]);