 During the 1970s, the trio's combined sales passed the 30 million mark due to the international exposure of their music.The Rahbani Brothers also launched the careers of artists who first worked as backup singers for Fairuz or acted in their musicals; many of them became major forces in the Arab music industry.Georgette Sayegh, Najat Al Saghira, Sabah, Wadih El Safi, Ronza, Fadia Tanb El-Hage, and Huda, Fairuz's younger sister were the most prominent of the Rahbani Brothers' proteges.