Jump Up, Super Star! (SHORT ver.) (Japanese Version)
The Super Mario Players feat.Kate Davis
1 Track | Official Nintendo Japan file | MP3
On the official Japanese website for Odyssey (https://www.nintendo.co.jp/switch/aaaca), there’s an easter egg hidden within the music player on homepage. Turning it on and off 37 times changes it to the Japanese rendition of the song.
37 times can represent a number of things. But the most obvious one is 10 + 27. 10/27. The worldwide release date.
MP3 (3MB)
Download: MEGA (https://mega.nz/#!dZE12QoQ!bd0vA7OVrGEe0ag2BUnXKoMfnZUiOUVRWP8ve9lRzkw)
Again, thanks for the download link.
I dunno how to buy from iTunes Japan.. maybe I have to make a Japanese Apple account? Not really sure.