Four years ago, the boy band went silent — but not before setting off a chain reaction that would reshape the pop market, conquer the Grammys and prime the world for an inevitable comeback.

BTS has released a music video from their long-awaited album, Arirang, marking the start of a fresh era for the group.

Ahead of their new and highly anticipated album ARIRANG releasing tomorrow, here’s what BTS' biggest hits are actually about.

The superstar boy band returns after a four-year hiatus on Friday. The genre it helped turn into a global juggernaut has endured some shifts, and minted new stars.