static L musicFilesTable() {
  ret musicFilesTable(findMusicFiles());
}

static L musicFilesTable(L<File> files) {
  new L data;
  for (File f : files)
    data.add(litorderedmap("Name", f.getName(), "Location", f.getParentFile().getAbsolutePath()));
  ret sortedByFields(data, "Location", "Name");
}