FileSystem fileSystem = FileSystems.getDefault();
        Path path = fileSystem.getPath("a/folder/with/some/mp3");
        Mp3Album album = Mp3Album.For(path);
        album.forEachMp3File( new <command>);

The following commands are available

Writes the tags for each file to System.out

Lists all mp3 files in the passed folder an sorts them by name. The first file in the list gets track number 1, the second track number 2, ...

Takes the file name of the mp3 file and sets it as the title

You have a mp3 track in a file called 'some.mp3 ' with a title of 'Incredible Tunes'. After you run the command on this file the title will be '1. Incredible Tunes'