It might’ve been on TV or at the music school, where they would’ve said this much more famous song is evoking a similar feeling or was inspired by it:
Also pinging @Sushi in case it’s not popular in Belgium, because this is top quality entertainment.
I heard that song on the radio a few weeks ago, actually.
So not super popular (anymore), but certainly known and acknowledged over here.
What a coincidence: those set pieces in the video look like Tetris’ tetrominoes!
I knew it too, there’s the game “piano tiles” that features classical songs, and one of them is Korobeiniki.