In the 1976 album by the Belgian progressive rock band Cos , the title serves as a clever, bilingual pun that anchors the record’s duality between domestic intimacy and surrealist exploration. The Linguistic Duality

The title's meaning shifts depending on whether it is read through a Brussels or a global lens:

Pascale Son’s vocal delivery is a cornerstone of the album’s "deep" quality. She treats her voice like a lead instrument, utilizing wordless phonemes , sighs, and precise warbles rather than standard lyrical narratives.

Keyboardist Marc Hollander (later of Aksak Maboul ) used "Dadaist synthesizers" and treated Farfisa organs to create a sound that felt ahead of its time, sometimes even evoking 1980s synth-pop years early. Themes of Harmony and Disruption

While based in Brussels, Cos is frequently associated with the due to their whimsical, jazz-inflected sound.