Regional director of the Middle East Sofitel Hotels, Larent Ptorne hosted Wednesday a ceremony at the Opera Hall of Sofitel Hotel El-Gezirah, to honor Dalida after 50 years on her first concert in Paris. Artists Lana and Walaa accompanied by a team of musicians, sang a group of the most famous songs of the late artist Dalida. The ceremony was attended by a number of French and Moroccan diplomats.