An original soundtrack featuring new music from BTS for the group's then upcoming BTS World mobile game was first announced on June 4, 2019 (in South Korea, June 5 elsewhere).[8] An unnamed-at-the-time sub-unit song by members Jin, Jimin, and Jungkook, would precede the soundtrack's release on June 7.[9]
Three singles preceded the album's release. The first single "Dream Glow", a collaboration with British singer Charli XCX, was released on June 7, 2019.[12][13] The second single, "A Brand New Day" with Swedish singer Zara Larsson, was released on June 14.[14] The third single, "All Night" with American rapper Juice Wrld, was released on June 21.[15]
On June 10, 2019, links to various Korean e-commerce sites where physical editons of the soundtrack could be pre-ordered were shared via the group's company twitter account.[10] A subsequent link for global purchasing via Weply was shared from the platform's official twitter account. Album pre-orders began that same day.