@CNN: Korean pop group BTS beat Taylor Swift’s record for biggest YouTube debut with the music video for its song “Idol” https://t.co/GYm43absjc https://t.co/fCnmAijfH8

@CNN: Korean pop group BTS beat Taylor Swift’s record for biggest YouTube debut with the music video for its song “Idol” https://t.co/GYm43absjc https://t.co/fCnmAijfH8