private void showMp3Fields(StringBuffer buffer) {
buffer.append("MP3 Data\n");
showField(buffer, "Filename", FileUtils.extractFilename(mp3file.getFilename()));
showField(buffer, "Size", Long.toString(mp3file.getLength()));
showField(buffer, "Length", formatTime(mp3file.getLengthInSeconds()));
showField(buffer, "Version", mp3file.getVersion());
showField(buffer, "Layer", mp3file.getLayer());
showField(buffer, "Sample rate", Integer.toString(mp3file.getSampleRate()), "Hz");
showField(buffer, "Bitrate", Integer.toString(mp3file.getBitrate()), "kbps (" + vbrString(mp3file.isVbr()) + ")");
showField(buffer, "Channel mode", mp3file.getChannelMode());
}