Instagram/Derrick Milano & BTS Music Go behind the scenes of BTS's ARIRANG album with songwriter Derrick Milano. Discover the creation of "SWIM" and the electric energy in the studio. March 21, 2026 AceShowbiz - The globally renowned group BTS is making a powerful comeback with their latest album, ARIRANG. We had the opportunity to speak with Derrick Milano, a key songwriter behind several tracks, including the lead single "SWIM." He shared insights into his collaboration with the band and the creative atmosphere during the album's production.