Vittorio is a mononym of Vittorio Grigolo (b. 19 Feb '77, in Rome, It), a singer who was raised in Arezzo, Italy & began singing by the age of four. At 9, he was chosen to become part of Sistine Chapel Choir as a soloist. He then studied for five years at the Scuola Puerorum at the Sistine Chapel. At 12, Grigolo sang Tosca with Luciano Pavarotti at the Rome Opera House, becoming known as 'Il Pavarottino'. At 18 he joined the Vienna Opera Company.