How to change star up/shut down sounds?

I want to change the startup chimes to the hall 2000 " good morning dave" and when shut down i want it to say " im sorry dave, I cant let you do that" Im new to the mac world and do not know how to change that. help would be nice. Thanx :teen:
 

Shop Amazon


Shop for your Apple, Mac, iPhone and other computer products on Amazon.
We are a participant in the Amazon Services LLC Associates Program, an affiliate program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
Top