World 1 (Plains) (Extended Version) - New Super Mario Bros.

"World 1 (Plains) (Extended Version) - New Super Mario Bros." is a high quality rip of the extended version of "World 1 (Plains)" from New Super Mario Bros..

Joke
At 0:10, the melody changes to "おもちゃのダンス" ("Toy Dance") by すもち, a copyright-free background music track often used in Hololive Virtual YouTuber Amelia Watson's livestreams.

Trivia

 * This rip was uploaded on Amelia Watson's birthday.