BTS: Heartbeat
- Music Video
- 2019
- 4m
'Heartbeat' is a song by BTS which serves as the title track of the soundtrack album 'BTS World: Original Soundtrack'.'Heartbeat' is a song by BTS which serves as the title track of the soundtrack album 'BTS World: Original Soundtrack'.'Heartbeat' is a song by BTS which serves as the title track of the soundtrack album 'BTS World: Original Soundtrack'.