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.
YMMV: Weebl & Bob
Ear Worm: Find any song on Weebl's Stuff. There's your example. It doesn't help that as they are played in Flash, almost all of them are literally built to be looped indefinitely.