(
{
	var saw, bpf;
	saw = Saw.ar(
		freq: 30, 
		mul: SinOsc.kr(
			freq: LFPulse.ar(freq: [100, 1000]).range(1, 10),
			width: 0.9));
	bpf = BPF.ar(in: saw, freq: MouseY.kr(1000, [6000, 9000]), rq: MouseX.kr(0.1, 0.9), mul: 20);
	Out.ar(0, bpf);
	
}.play;
)