The most successful French singer in the world? ZAZ! Born as Isabelle Geffroy in Tours, France, ZAZ is repeatedly compared to names like Edith Piaf and Ella Fitzgerald and her unmistakable voice is celebrated around the world. Now the French temperament bundle full of emotion returns to the Vienna Konzerthaus, bursting with charm, bonne humeur and unique musicality. France's most famous voice of nouvelle chanson presents, among other things, the chansons from her new album "Isa".