Megaman X and Xtreme have the same theme. Megaman X 2 and Xtreme 2 have the same theme, although X 2 theme plays in the intro scene unlike Xtreme 2 which plays on the title screen.
Damn... I was sure this was one of the Pokémon themes for Gameboy lol. I think I played this when I was incredibly young, so the Mandela effect is strong with me on this one.
I can imagine this song being a call out from Donkey Kong himself to the girl he covets the most: *"Pauline, you're so lovely* *You make me, feel nice and free!* *Come with me, and you will see* *I love you, like you'll love me."* Now imagine Donkey Kong singing this to Mayor Pauline in the Mario Bros. movie sequel. Perhaps Pauline will reveal that she used to be a club singer and she does a cover of "Jungle Japes" as a response? That would be pretty dope, considering that Illumination Studios did the "Sing" movies with quite a bit of emphasis on musical talent.
If they will make a Donkey Kong movie in the future, they should also have King K. Rool as the main villain (as well as cameos of Tiki Tong and Lord Fredrik).