You can put them in a .zip or .rar format using Winzip or Winrar. Or you can get an MP3 wrapper ..free version here...

http://www.mp3machine.com/software/TrackWrapper/

I think you can get a free unwrapper almost anywhere.

http://www.zeropaid.com/bbs/archive/index.php/t-21088

__________________
~Kath~
Always judge a person by the way they treat someone who can be of no possible use to them