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Come Together by The Beatles
Here come old flat-top, he come grooving up slowly He got ju-ju eyeball, he one holy roller He got hair down to his knee Got to be a joker, he just do what he please
I thought of the band Killing Joke, though I don’t think they have any song named thus.
The Joker - Steve Miller Band
Some people call him the space cowboy
Jokerman - Bob Dylan
Joker & the Thief - Wolfmother