Acknowledgements:

+ Some of the projects contain MP3 audio files that were sourced from the
PublicDomain2ten web site:

http://www.publicdomain2ten.com/

These are believed to be in the public domain and royalty free.

+ The audio projects make use of the JLayer audio library from:

http://www.javazoom.net

This library is available under the terms of the Gnu LGPL license.