This Katy Perry fan was spotted singing and dancing along with the pop star's mega-hit 'California Gurls' at 8am on a Jersey City bus. Suffice to say, he is a morning person.

Happily, his fellow commuters weren't bugged by his energetic singing: The woman who shot the video told NYC blog Gothamist that "it was pretty much the best bus ride ever!"

And, yes kids, that is a Discman -- possibly one of the last surviving. Check it out below.

[Gothamist via The Daily What]