BTS broke records with Arirang while bypassing traditional media. Here is what their strategy reveals about power in today’s music industry.

Tens of thousands turned up to watch and more than 18 million people live-streamed the one-hour show - a slick teaser of the upcoming BTS world tour, with the group's easy camaraderie on display, almost as if they had not spent much of the last three years apart,

Similarly, their performance of “Fire” featured even more pyro. They flexed their choreography skills on the “Mic Drop” remix (but didn’t drop their mics at the end.) And they kept moving in the round for “Run,” so that all of the 40,000 people gathered for the first night could see one of them at a time.

BTS kicked off their ‘Arirang' tour at Goyang Stadium in South Korea, and we're showing you what you missed on opening night! Tetris Kelly: BTS just took over Goyang Stadium in Seoul, and everything was fire,

On Tuesday, BTS released their music video for "Hooligan." It's the third visual from the band's 'ARIRANG' album.

Last week, a No. 1 debut for BTS's Arirang seemed as inevitable as the tides: The K-pop boy band didn't have much competition beyond country star Luke Combs (whose The Way I Am debuted at No. 2), and the group had already banked six No. 1 albums in its career. So it came as no surprise when Arirang became its seventh.

The megapopstars sat down on the hit YouTube series to figure out who was Smooth Like Butter, and who is on FYA. Here's what happened.

Fans react to BTS’ return to the stage after nearly four years, at the opening night of the K-pop megastars' "ARIRANG" world tour in Goyang, South Korea. (April 9)