Yoasobi - アイドル ( Idol ) - Tim Henson Cover 

Audio and video recorded separately.
Tim Henson ( Polyphia ) , idol cover.
Standard youtube license.
Fair use allows limited use of copyrighted material without permission for purposes such as criticism, parody, news reporting, research and scholarship, and teaching. However, just because a use is educational does not mean that it automatically qualifies as fair use.