Artist Biography Available in: The Gazzana sisters, Natascia and Raffaella, were born in Sora near Rome and formed the Duo Gazzana in the mid-1990s. Their joint musical education allowed them to develop a great sensitivity toward the conversational demands of subtle chamber music. They took additional degrees at La Sapienza University in Rome – Natascia in visual arts, Raffaella in musicology, presenting a critical review of Walton's Toccata for her dissertation.