I don’t know about these but a true story: a few years ago my favorite radio station – WRNR in Annapolis MD, suddenly made a format change.
One morning I woke up and WRNR went from Eclectic Adult Alternative and were now WOMB – “The Womb – All music by women, for women - all the time”.
All the DJ’s were now woman and the play list mostly consisted of the Idigo Girls (not always so bad) but also some really out there strange stuff – even their website changed overnight.
This was a real blow to me since the only other alternative rock station in the area had recently just as suddenly switched to all Spanish speaking – Latin music only.
I was very upset. I was dating a guy at the time who shared my musical tastes and that night on our date, the format change was almost all we talked about.
Then on my way home, he called me on my cell and we both realized that it was April 1st and both started to wonder if it wasn’t a joke.
The next morning my favorite radio station came back and they spent the rest of the day apologizing for their April Fools joke and re-assuring listeners that the WOMB was just a joke.
Seems like a high risk April Fool's joke to change format all day. I probably would have checked back a couple of times then removed them from my radio presets.