Re BTS, really it's just because there is a CD included in the box with all the other stuff you get when you buy the album. My daughter thought it was neat; tha

Re BTS, really it's just because there is a CD included in the box with all the other stuff you get when you buy the album. My daughter thought it was neat; that's when I realized I don't even have a CD player anywhere. I doubt many people are actually using these CDs