After studying cello, Fiorenzo Tornincasa devoted himself to singing under the guidance of Aldo Protti in Cremona and Paolo Speca in Pescara. He attended masterclasses with Kiri Te Kanawa, Gianni Raimondi and Gianni Ovidio Mastino, and academies such as Ateneo Internazionale della lirica and Georg Solti Accademia.

On the concert stage, he has performed with symphony and chamber orchestras in Italy and abroad. He is also a member of the Coro del Teatro Lirico di Cagliari. His repertoire ranges from vocal chamber music to contemporary music, and his discography includes an album of sacred music by Cesare Tudini and I Compagnacci (Bongiovanni).