Which child prodigy grew into a prolific classical composer famous for orchestral works, chamber and piano music, and the opera the marriage of figaro?

Mozart was a prodigy at the piano and was composing music by the time he was four years old. His music is known and renowned worldwide, including pieces such as Eine Kleine Nachtmusik, Sonata in C Major, and operas such as Don Giovanni and The Marriage of Figaro.

Iwould say d) signed unknown street singers who brought original songs to record.