The user manual can be found as a pdf document online at http://www.jthink.net/songkong/help.pdf and is also available from SongKong itself by selecting Help(as Pdf) from the SongKong Help menu. A pdf document is suitable for downloading and printing if you like printed documentation.
You can also view the Help as a html document from within SongKong itself by simply selecting Help from the SongKong Help menu