sS trackTitleFromAutoPostWidget(S html) {
  for (S img : findTagsWithParams img(html)) {
    S title = tagParam(img, 'title);
    if (empty(title)) continue;
    S s = dropPrefixTrimIC_orNull("listen to ", title), continue if null;
    int idx = lastIndexOfIC(s, " on ");
    if (idx < 0) continue;
    s = trim(takeFirst(s, idx));
    ret s;
  }
  null;
}