"Ilomilo" is a song by American singer Billie Eilish from her debut studio album, When We All Fall Asleep, Where Do We Go? (2019). The song was sent to Italian contemporary hit radio stations on April 10, 2020, by Universal Music Group, as the album's seventh single. Eilish and her brother Finneas O'Connell co-wrote it, while the latter handled the production. Musically an electropop track with ska-influenced instrumentation, the song was heavily inspired by the puzzle video game of the same name. The track also references "Bury a Friend", its predecessor on the album track list.

https://en.wikipedia.org/wiki/Ilomilo_(song)