The shareware fee is $5 for a single user; a commercial site license is also available.
Registration and payment processing for Control-G's PlaySound CMM is handled by Kagi Shareware.
There are two ways to register:
1) Registering Live Over The Web (credit card only)
Along with the PlaySound CMM file and this document, you should have received a copy of this program:
 
If you double-click this icon in the Finder, and then click the program's Open URL button (and if your browser's online) it'll take you to our Kagi registration page. Check the box for PlaySound CMM.
(If the program doesn't work for you, just use your browser to access http://order.kagi.com/?1U9)
2) Registering via Email or Snail Mail (check, cash, money order, or First Virtual)
 
Double-click this icon in the Finder and follow the instructions.
If you need a copy of either Register program, please access: