Super Mario Bros. Music - Underwater (JP Version)

"Super Mario Bros. Music - Underwater (JP Version)" is a high quality rip of the JP version of "Underwater" from Super Mario Bros..

Joke
At 0:03, the melody changes to "Tanukichi no Bouken" by MAKOOTO, a song known for being used as BGM in Hololive Virtual YouTuber Usada Pekora's livestreams.