The BBC artist page for Gregorio Allegri. Find the best clips, watch programmes, catch up on the news, and read the latest Gregorio Allegri interviews. Find out more about Allegri's Miserere. Gregorio Allegri: Miserere described the composer as a man whose music was imbued with his religious faith and. Gregorio Allegri ( c. 1582 – 7 February 1652) was an Italian composer of the Roman School Most of Allegri's published music, especially the instrumental music, is in the progressive early Baroque concertato style. However, his work for the. Miserere is a setting of Psalm 51 (50) by Italian composer Gregorio Allegri. It was composed At some point, it became forbidden to transcribe the music and it was allowed to be performed only at those particular services at the Sistine Chapel.