K-pop idols covering bts songs

I do not own any of the videos all rights are reserved to the respectful owners.
copyright disclaimer under section 107 of the copyright act 1976, allowance is made for "fair use" for purposes such as crtislcism, comment, news reporting, teaching scholarship and research. fair use is a use permitted by copyright statute that might otherwise be infringing, non-profit, educational or personal tips the balance in favor of fair use.