Miriam Nervo and Olivia Nervo (born February 18, 1982) are an Australian EDM, electro house and progressive house duo better known by their stage name Nervo (styled NERVO). After signing with Sony/ATV Music Publishing at 18 years of age, the sisters pursued careers as songwriting partners and in 2008 they signed with Fredrik Olsson and his Swedish music publishing company Razor Boy Music Publishing, which led to co-writing the Grammy Award-winning single, "When Love Takes Over", performed by David Guetta and Kelly Rowland.