// "title" String title of this file
// "copyright" String copyright message
// "date" Date date of the recording or release
// "comment" String an arbitrary text
addMetadata(metadata, fileFormat.properties());
addMetadata(metadata, audioFormat.properties());
} catch (UnsupportedAudioFileException e) {
// There is no way to know whether this exception was
// caused by the document being corrupted or by the format
// just being unsupported. So we do nothing.