The flapping of butterfly wings causes reactions that we only very rarely control. The resulting gravity waves are so many sloshings in a closed environment, visions of all the consequences coming from multiple causes. But the 13 songs of this new album are also an observation cell in a psychiatric environment. 13 photographs of our universe, our loves, our fears, our anger, our joys and everything we try to react to. They evolve, in coherence with the rich and varied approach of the duo, between pop ballads, acerbic more electro pamphlets and energetic pop-rock pieces imagined for the stage. The texts, written with 4 hands, retain the style initiated in the first album, some luminous which speak of love and life, others darker which drive the nail of a world upside down or which approach sensitive subjects with humor and acidity...