static File clipWAVFromMarkers(File srcWAV, L<? extends Number> markers, File destWAV) {
  Clip clip = spectro_clipFromFile(srcWAV);
  L<Int> intMarkers = sorted(allToInt(markers));
  
  // odd number of markers => clip to end
  if (oddLength(intMarkers)) intMarkers.add(clip.getFrameCount()*clip.getFrameTimeSamples());
  
  L<IntRange> parts = intsToIntRanges(intMarkers);
  if (empty(parts))
    deleteFile(destWAV);
  else
    spectro_intRangesToWAV(clip, parts, destWAV);
  ret destWAV;
}