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BTS' 'Swim,' the lead track from their fifth studio album 'Arirang,' has been named one of Apple Music's 'Best Songs of 2026,' making BTS the only K-pop act on the annual list, which was released Saturday (U.S. time). Yonhap reports the song also appears on other Apple Music playlists like 'A-List: Pop 2026.' The track, released in March, surpassed 1 billion streams on Spotify in about seven months, the first song released this year to do so, according to Dong-a Ilbo. Korean outlets highlight the achievement as historic, with Chosun Ilbo calling it 'unprecedented' and noting BTS' enduring global popularity. The song also won song of the year at the 2026 MTV Video Music Awards in September, per KBS World.