I don't know if you'd call this plagiarism, necessarily, but Deadly Premonition's "Life Is Beautiful" (in particular, the whistling) sounds a lot like the steel drum line in the main level music from Super Mario World:
Last Edit: Aug 8, 2013 19:47:39 GMT -5 by X-pert74
Post by Pixel_Crusher on Sept 2, 2013 21:21:41 GMT -5
Found this obscure korean arcade game that not only rips-off Super Mario Bros. music but some backgrounds and sprites from Rayman as well. I think they also used Abu's sprites from the Mega Drive Aladdin game.