BTS 썸네일형 리스트형 BTS to rank 57th in Billboard Hot 100 for pre-released song ‘Blackswan' The pre-released song "Black Swan," which will be included in BTS' new album, has entered the Billboard main singles chart at No. 57. Although it is far behind the eighth-highest score of "Boy With Luv" last year, the song seems to have little significance for the ranking itself because it is a pre-released song to explain the concept of the album, not the title track. "BTS' Black Swan debuted o..