First proof of concept was to use a ATtiny85 to produce sounds.  I modified the Arduino melody example to play off of a button push and programmed that into the tiny.   I powered the tiny from the 5v output of the Arduino.  After uploading I was able to successfully get the melody to play with push button.  Sorry for the spaghetti wiring, it's just a speaker hooked to pin 3 and a push button hooked to pin 2.