These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Older Than They Think: People who only know her from "Call Me Maybe" would be very surprised to learn that her first album (Tug of War) was released in 2008.
Retroactive Recognition: After the success of "Call Me Maybe", some radio stations chose to ride on her newfound fame by playing "Tug of War". Cue people's jaws dropping when they recognize the song from a few years ago and realize, "Holy shit, that was Carly Rae Jepsen!?".