Blue (Billie Eilish song)

"Blue" is a song by Billie Eilish. It was released on May 17, 2024, as the closing track and one of the bonus tracks on the extended version of her third studio album, Hit Me Hard and Soft. Prior to its official release, snippets and live performances of the song circulated online, generating considerable anticipation among fans. The song is known for its length, melancholic atmosphere, and layered vocal harmonies, often being described as an atmospheric ballad. Its lyrics explore themes of sadness, introspection, and the complexities of emotional connection. Some interpretations suggest the song reflects on the aftermath of a relationship, examining feelings of lingering affection and unresolved emotions. Musically, "Blue" showcases Eilish's evolving sound, building upon the minimalist electronic elements characteristic of her earlier work while incorporating more intricate arrangements and experimental soundscapes.