Use processing to play samples.

basic_minim_trigger.pde

import ddf.minim.*;

Minim minim;
AudioSample kick;
AudioSample snare;
int val1 = 0;

void setup() {
  minim = new Minim(this);
  kick = minim.loadSample( "BD.mp3", 512);
  snare = minim.loadSample("SD.wav", 512);
}

void draw() {
  for(int i = 0; i < 100000; i++) {
    if(i%1000==0){
      val1++;
    }
  }
  if ( val1 > 50000 ) snare.trigger();
  if ( val1 > 0 ) kick.trigger();
  println(val1);
}