Background
Mancini was born at Ascoli Piceno, Italy.
Mancini was born at Ascoli Piceno, Italy.
He studied singing in Naples with Leonardo Leo and in Bologna with Antonio Bernacchi. He also studied composition and counterpoint there with Giovanni Battista Martini.
He began his singing career when he was 16, appearing in both Italy and Germany. k. In 1774 in Vienna he published an important book on singing Pensieri, e riflessioni pratiche sopra il canto figurato. He remained in Vienna and died there as "Retired Singing Master", leaving behind a considerable fortune.