The album features collaborations with Pet Shop Boys, Primal Scream, E.S., Julia Holter, Gary Numan, Jeff Mills, Rone, Siriusmo, Yello, The Orb, Sebastien Tellier, Hans Zimmer, Cyndi Lauper and Christophe. It is a tribute to Luigi Russolo, Italian composer and builder of experimental musical instruments, who predicted the dawn of the synthesizerand electronic music.