BTS perform a comeback show at Gwanghwamun Square in Seoul on the 21st to mark the release of BTS Comeback Live: Arirang. /Courtesy of BigHit Music·Netflix

The comeback show by the group BTS set a box-office record with 18.4 million viewers worldwide on Netflix.

Netflix said on the 25th that "BTS Comeback Live: ARIRANG," held on the 21st at Gwanghwamun Square in Seoul, drew 18.4 million viewers worldwide in a single day during the live broadcast.

It also entered the "Top 10" list in a total of 80 countries, including Korea, Canada, Brazil, Germany and Japan. Among them, it ranked No. 1 for the week in 24 countries. The number of exposures for related content on Netflix's official channels reached 2.62 billion. In major countries such as the United States and the Philippines, related hashtags dominated trending searches.

Behind the success of this live event was Netflix's advanced technology. At the site, where veteran staff from 10 countries participated, a total of 23 cameras and 164.5 tons (t) of broadcast equipment were deployed.

To stably accommodate large numbers of connections, Netflix fully activated a cutting-edge technology pipeline optimized for live environments, including its own content delivery network "Open Connect" and automatic multi-encoder switching technology.

A Netflix official said, "Netflix, which has contributed to the spread of Korean culture through K-dramas and K-films, this time expanded that realm to K-pop live with BTS," adding, "We will continue our efforts to promote a variety of Korean content genres to the world."

BTS, which returned after 3 years and 9 months with the release of its fifth studio album "Arirang" on the 20th, plans to meet global fans once again through the documentary "BTS: The Return," which contains behind-the-scenes footage of the album's production, on the 27th.

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