The BTS member's film will premiere next month on Weverse and Disney+.
The rockers take Letterman to their native country for the Disney+ concert special.
H.E.R. stars as Belle in ABC's Beauty and the Beast: A 30th Celebration premiering Thursday, Dec. 15, at 8 p.m. ET.
The new movie musical is set to air on Disney+.
The concert event, celebrating Elton John and his legendary career, will livestream on Disney+ on Sunday, Nov. 20.
The Sanderson sisters return in the sequel to the Halloween classic, which became the No. 1 film premiere on Disney+.