In France, the artist Charles Aznavour (born Aznavourian), of Armenian descent, has been known for his shows and songs over the course of decades. System of a Down, an internationally popular alternative metal band from the United States, was formed by Daron Malakian, Serj Tankian, Shavo Odadjian and John Dolmayan, all of whom are of Armenian American descent. Tankian has also released several solo albums with political and socially conscious content. Occasional SOAD collaborator Arto Tunçboyacıyan is a well known Turkish musician of Armenian descent, who is famous in Turkey and worldwide, and currently has his own jazz club in Yerevan, Armenia. He was the founder of the .