First it started with The Beatles (who else?), then came Badfinger and The Raspberries, and then Cheap Trick and Big Star. They all had super melodies and hooks to keep you humming all day.
But for some reason the crunchy, jangly guitars and the driving backbeat never really came into its own. For some reason, radio never picked up on power pop leaving it to be found by a small cult of music nerds, who dug the harmonies and everything else about it.