* f100 0 1024 10 1.;  < SINE WAVE

instr marimba  
rd  
p3 
 < duty factor: 302 ord; less for rolled tremolos & for rapid passages
du 
 < p4 = pitch : if > 13. = cps, else pch
p4 no 
 < p5 = amplitude
p5 
   < Optional p-fields p6 - p10 :
 < p6 = Attack time: normal range .01 -.04 / default = .025
p6 
 < p7 = Attack hardness {neutral default value = 1./normal range  .7 - 1.6}
p7 
 < p8 = Brightness: { neutral default value = 1./normal range .25 - 2.0}
p8 
p9          < microtonal detuning, often used in chorused scores
  < stereo output only :p10 = pan location {1. = hard left, 0 = hard right}
p10
