This was already occurring in Leopard and now in SL as well - occasionally, sometimes even more than that, the "Funk" built-in sound comes out of nowhere - at times even several times in a row. Why? For those who don't know what I'm talking about: it's the sound you hear when you for example get disconnected from iChat or MSN, etc. You can listen to it if you go to System Preferences\Sound\Sound Effects. Why does it sometimes occur out of the blue, even with no apps running?