2021 has been an amazing year for K-pop fans ... If you’re new to K-pop, it can be easy to stick to the most popular songs, but there is more to Korean music than just BTS or Blackpink.

Fallen for a lie ♪ Billie Eilish's song for the 2021 movie "No Time to Die." These songs fall more than 50 years apart, so obviously they have different styles. Yet there's also something that ...