Pdef(\association,Pchain(
                Pbind(\instrument,\association,
                        \dur,1/32,
                        \amp,1,
                        \rel,0.01,
                        \tu,Pseq((2000..1000),inf),
                        \freq,16000,
                        \isRest,0,
                        \pos,Prand([1,-1],inf),
                        \out,2
                ),

Pbind(\lag,Pseq([0.015,0.020,0.030,0.040,0.030,0.020,0.015,0.5],inf),\dur,0.30)
        )).play;