Forbes contributors publish independent expert analyses and insights. Hannah Abraham covers entertainment, culture and business. WEST HOLLYWOOD, CALIFORNIA - DECEMBER 07: (L-R) V, SUGA, Jin, J-Hope, ...

In a surprising turn (or is it?) that has lit up music charts worldwide, BTS’ B-side track “Anpanman”, originally released in 2018, has surged back to the top of the Billboard charts this December ...