{WeaklyNonlinear.ar(SinOsc.ar(70), Impulse.kr(1), ratex:0.1, ratey:20, freq:440, initx:10 + SinOsc.kr(40), inity:20 + SinOsc.kr(20), alpha:SinOsc.kr(1), xexponent:0, beta:0, yexponent:0).dup}.play;