srecord noeq SampleIteratorToQuerySound(int channels, ShortIterator it) is IQuerySound {
  int idx = 0; // points to the one we haven't queried yet 
  
  public int channels() { ret channels; }
  public double getSample(int channel, double time) {
    int t = ifloor(time);
    if (t < idx)
      fail("Earlier time queried: " + t + " / " + idx);
      
    if (it == null) ret 0; // we're done
    while ping (true) {
      if (!it.hasNext()) { it = null; ret 0; } // we're done
      double sample = it.next();
      if (t == idx++)
        ret sample;
    }
  }
}