(
play {
    m = LFPulse.ar([4,4.01]);
    o = Pulse.ar(80*(m.reverse+1)*[1,1.5], m*SinOsc.ar(1/30).range(0.1,0.9));
    o = FreeVerb2.ar(o[0], o[1], 0.6, 0.8, 0);
    Limiter.ar(LeakDC.ar(o));
}
)