Jaw dropping record of BTS continues.

BTS 'Butter' topped at the Billboard Hot 100 for 7 weeks in a row.

And the song worked with Ed Sheeran <Permission to Dance> topped at the Hot 100.

Now, it remains to be seen how long the butter and Permission to Dance craze will last.

We will  talk about the meaning of BTS' long-term dominance on the Billboard chart and the future prospects of the group.

Music critic, Kim Young-dae, is with us.