It appears that your firewall may be blocking Box.net or you are encountering an error.

Please contact your IT administrator to configure your firewall to recognize all sub-domains of .box.net and .boxcdn.net. The ports that should be opened for these domains are 80 and 443.

If that does not resolve the issue, then please submit a support ticket at http://www.box.net/help.
Manage and Share your files online securely with Box.net. Sign up now. Have a Box account? Log In
Help › MP3 files not streaming
If your MP3 files are not playing or streaming on the player window, please check to see if your files were properly encoded in the MP3 format. If the player does not load please download and install the latest version of Flash (click here to download). Please note that Box.net does not support the playing or the streaming of files greater than 50 MB in size.

View your public Box