It hardened the collective will as they built South Korea into the economic and cultural powerhouse it is today in just seven decades. The group’s first album in four years marked the dramatic reunion of the seven members following their mandatory service in the South Korean military. As the song builds toward the bridge, BTS wove in a sample of “Arirang,” a traditional Korean folk tune that dates back some 600 years. Chung Sung-Jun // Getty Images Fans wait in line for BTS’s Arirang Tour show at Goyang Stadium on April 9, 2026 in Goyang, South Korea. In addition to the “Arirang” snippet, “Body to Body” references the 1988 song from Seoul’s Summer Olympics, “Hand in Hand.”