Literally just the different instruments in each song, but they cut out and come back in like a song, instead of in response to player input, like in the game

Link to vini64 https://www.youtube.com/channel/UCGuiKL6tFPxKtPI0zdGvXog

Super Mario Maker 2 Editor OST - SMB Ghost House (Mix by vini64)

The New Super Mario Bros

NSMB OST - The Plains: Versus Mode

16 - The Second Malformation Of "G"

I couldn't find a decent upload of the soundtrack anywhere so I decided to upload it myself. I didn't rip these but supposedly they're the files straight from the game. I had to go through and rename them all.

Rodent Ruckus [Rocket Barrel Returns]

The best quality rips of the soundtrack out there. All copyrights reserved to Nintendo

Super Mario Bros. Wonder

Wonder - Metal Mario

01. Hello! Time Travelers

38. Another's Requiem

Battling Strongish Monsters

Music inspired by the dystopian futures of Blade Runner, I Robot and all the wonderful Science Fiction of the Past and Future.

16 - The Second Malformation Of "G"

Revival