Glenda,  I can't make a complete music box, but I can make a disc
(many sizes possible) of your music, which will play on a disc
music box mechanism you can get, either new or used, from many
sources such as eBay.

Please see http://www.henstoothdiscs.com/  There is a 'quick link' :
Custom Discs

Regards,
Jack Perron - HensTooth Discs
http://www.henstoothdiscs.com/
http://www.henstoothdiscs.netfirms.com/