Hah, mine had the same function. Somehow I managed to hit record while feeding her manually one day, so the call sound became her meowing and the feeder going off. Then, I managed to do that at least two more times. It became this awful recursive meow and feeding sound.
Same. School firewall blocked based on host names, so we all learned a lot about the hosts file so we could manually set all of the IPs Minecraft needed to authenticate.