La Mécanique du Cœur is the sixth studio album by the French band Dionysos, released on 5 November 2007. The title can be translated as the mechanics of the heart; the album complements the book of the same name written by Mathias Malzieu, the band's frontman. The album has sold over 75,000 copies, making it a Gold Disc, and has been adapted into a film directed by Malzieu.

The album follows on from Monsters in Love, an album telling the stories of various monsters imagined by the band. There are several references from this album to the one that preceeeds it.

A lot of the band's oeuvre has been inspired by the work of Tim Burton, and the artwork from this album has strong influences from Corpse Bride. The music video from the first single ("Tais toi mon cœur") is animated in the same style. Some of the songs are in French, others are in English and some switch between both languages.

This album features many guest appearances from prominent French stars: Eric Cantona narrates the epilogue, Olivia Ruiz (the lead singer's partner) appears on several tracks, Grand Corps Malade co-writes two tracks, Jean Rochefort sings on one song to mention but a few.

The band's violinist Babet (Élisabeth Maistre) only appears on the track "Cunnilingus Mon Amour!" because she was busy working on her solo career whilst the album was being recorded. However, she is scheduled to appear on the March 2008 tour promoting the album.

The album follows a strong concept, based around the book of the same name (written by the band's lead singer Mathias Malzieu). It tells the story of Little Jack, a child born in Edinburgh in 1874 on the coldest day in the world. He is born with a frozen heart which the midwife, Docteur Madeleine, replaces with a cuckoo clock - it works, but means that he must "not touch the hands. Control his temper. And most importantly, never ever fall in love" or else the clock will explode through his skin.

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