Callas Went Away stands as a haunting meditation within Enigma's groundbreaking debut album, MCMXC A.D. The track exemplifies the project's signature fusion of Gregorian chants, ambient textures, and deep house rhythms. Produced by Michael Cretu, the recording captures the melancholic atmosphere that defined the group's early work, weaving together ethereal vocals with a slow, hypnotic beat. Unlike the more upbeat dance tracks on the album, this piece offers a somber reflection, utilizing the legacy of opera legend Maria Callas as a thematic anchor for themes of loss and departure. The song remains a staple of the new-age and electronic genres, showcasing the artist's ability to blend classical influences with modern production techniques to create a timeless soundscape.