What Song is Written on the Chalkboard?

I was a music student but.. muse score is painful. Game: Animal Crossing New Horizons / Happy Home Paradise (DLC) ゲーム: あつまれどうぶつの森 ハッピーホームパラダイス ★I make video game memes every day (almost) so please consider subscribing. I try to heart/reply to all the sweet comments (I might even pin one) ★サブチャンです。こちらでは喋ります。。ゆるいです。(My second channel. Lots of talking in Japanese) https://youtube.com/channel/UCEp3hTybQ_iCkapPfmx7toQ ★Music https://youtu.be/4_DyEhIvlEM