— TOMORROW X TOGETHER (@TXT_members) 2019년 5월 18일
I found this while I was organzing my Gallery
#Taehyun #When_Was_This
BTS and TXT are from the same company, Big Hit Entertainment, and they have a very close junior-senior relationship, so it’s no surprise that the TXT members have covered BTS songs. The only question now is… where is the full version, and how can we get our hands on it?
SOURCE (1)