NullPointerException on ag.

[clemens-tolboom]

Adding a lot of AudioPlayers (~38 to ~58) I get a NullPointerException

    if (audioGens.size() > 0) {
        for (int j=0;j<audioGens.size(); j++) {
      AudioGenerator ag = (AudioGenerator)audioGens.get(j);
      val += ag.getSample();

See my demo https://vimeo.com/100034180 ( around 1:05)