April Fools

I remember years ago for April Fools my music teacher came into the start of class, and suddenly acted really peeved and upset about us students. He told us how sick he was of us just slacking around and not listening to him. Everyone practically had their jaw open and were like "oh man, he's really angry," and we were all just surprised because normally he wasn't like this at all. He sternly told us to open our books and start writing what he told us to write. He said one line, then two, but the third he said "April Fools" and then we realized the whole thing was a prank and we started laughing. Although, some of us were still writing...lol.