DL wrote:
We would like to have several (3-4) chimes activated from a single
doorbell button. What would the best way to do this.

Do you have an intercom system? If so, an electronic chime can be
connected to sound through some or all of the speakers. If you have a
Nutone system they even make a module for this.

http://www.digitallyunique.com/ia29.html