Most pop music is incredibly unchallenging and tonically similar to other pop music. It's basically a bunch of re-treads. Most pop songs are built on a chord progression of the I, V, vi and IV chords. We're sort of trained from infancy to find this progression pleasing, and by golly! it IS pleasing, but it does mean that pop music rarely really stretches its legs and gives us something dazzlingly different.
The brilliant troupe Four Chords has put together a collage of a whole bunch of music you know and possibly love, but that are so incredibly similar as to be interchangeable. Some of the segues are dazzling, so watch closely. Oh, and a bit of potty language near the end, so may not be safe for kids, though in my own very mature way, I'm going to be singing the phrase with the f*bomb for days. Just inside my head, though, and not publicly.
This is really cute!