@Test
    public void testPropertiesFile() {
        String[] testPropsAFF = {"duration", "title", "author", "album", "date", "comment",
            "copyright", "ogg.bitrate.min", "ogg.bitrate.nominal", "ogg.bitrate.max"};
        String[] testPropsAF = {"vbr", "bitrate"};

        try {
            File file = new File(filename);

            AudioFileFormat baseFileFormat = AudioSystem.getAudioFileFormat(file);
            System.out.println("-> Filename : " + filename + " <-");
            System.out.println(baseFileFormat);
            Map<String, Object> properties = baseFileFormat.properties();
            System.out.println(properties);
            for (String key : testPropsAFF) {
                if (properties.get(key) != null) {
                    String val = (properties.get(key)).toString();
                    System.out.println(key + "=" + val);
                }
            }
            for (String key : testPropsAF) {
                if (properties.get(key) != null) {
                    String val = (properties.get(key)).toString();
                    System.out.println(key + "=" + val);
                }
            }

        } catch (UnsupportedAudioFileException | IOException e) {
            Assert.fail("testPropertiesFile : " + e.getMessage());
        }
    }