For a quarter of a century, legendary British trip-hop pioneers Morcheeba have produced smooth and silky hits, blurring the borders between hip-hop, electro-pop and soul. Their trademark chill-out sound is back on their recently released 10th studio album, "Blackest Blue". It’s perhaps their most introspective and intimate record yet. So what's the secret to exuding cool – year in, year out? FRANCE 24's Florence Villeminot chats to lead singer Skye Edwards.