Aren't stations that run any kind of "premium choice" programming excluded from the charts somehow or treated differently? I'm not sure, but I know that if you look on Allaccess, our local hot AC (that still reports as AC) plays stuff that no other AC is playing, but if you click on the song name, that station is not listed as playing/spinning the song, if that makes any sense. I started noticing that when WMYI picked up Premium Choice overnights.