Frederic SanchezPhotography by François CoquerelIn the two decades plus he’s spent as one of the most respected illustrateur sonore working today, Frédéric Sanchez has done everything from staging a Margiela show in total silence, remixing a Louise Bourgeois song for Helmut Lang to providing an unbearably poignant version of Somewhere Over The Rainbow for Marc Jacobs’ A/W10 show. But his long term collaborator Miuccia Prada threw him a curveball for her A/W14 s...