Dumdi Dumdi is the first single album by South Korean girl group (G)I-dle. The single album was released digitally and physically on August 3, 2020, by Cube Entertainment in both a Korean and Chinese version. The physical version is available in two versions: "Day" and "Night". The single contains two tracks, including the lead single of the same name. The group participated in visual concept planning such as hair, makeup, and styling, and leader Soyeon participated in lyrics, composition, and arrangement. Commercially, the album recorded 94,587 copies of one-week sales, making (G)I-dle the second girl group to break the single album sales record.