The original Super Mario Bros. tune is, at best, an "inspiration". The Zelda fairy tune, the Mario dungeon tune and the Starman tune are blatant copies of other people's works:
After listening to that video, all respect I ever had for Koji Kondo disappeared. The guy was a musical fraud, especially considering how much Nintendo's games sold, and how popular his copies became compared to the original songs.
After listening to that video, all respect I ever had for Koji Kondo disappeared. The guy was a musical fraud, especially considering how much Nintendo's games sold, and how popular his copies became compared to the original songs.