He’s not the only one...
http://www.youtube.com/results?search_query=strange+sounds+in+the+sky+2011&oq=stange+s&aq=3s&aqi=g-s10&aql=&gs_sm=c&gs_upl=249l1897l0l5155l5l4l0l0l0l0l247l653l1.2.1l4l0
That is interesting. Especially since a FReeper just said he heard something analogous in the Dallas area.