svoid dm_onNewRecordingOrWAVOnClipboard(final VF1<File> onFile) {
  dm_ownResource(vmBus_onMessage('newRecording, onFile));
  // currently only reacts to in-OS clipboard copies
  dm_ownResource(vmBus_onMessage('newClipboardContents, voidfunc(O o) {
    if (o instanceof S && ewic((S) o, ".wav")) {
      File f = newFile((S) o);
      if (isAbsolutePath(f) && f.exists())
        callF(onFile, f);
    }
  }));
}