Mazzocchi, Virgilio , Italian composer, brother of Domenico Mazzocchi; b. Veja (baptized), July 22, 1597; d. there, Oct. 3, 1646. He studied music with his brother in Rome, and served as maestro di cappella at the Chiesa del Gesù. He then was at St. John Lateran (1628–29). In 1629 he was engaged at the Cappella Giulia at St. Peter’s, and served there until his death. He wrote the opera Chi soffre, speri with Marazzoli (Rome, Feb. 27, 1639), which was a revision of Il facone (Rome, Feb. 1637); excerpts from it were publ. by H. Goldschmidt. An Argomento et allegoria relating to it was publ. at the time of its first performance, a copy of which is in the Library of Congress in Washington, D.C.
A. Cardinali, Cenni biografici su Domenico e V. M. (Subiaco, 1926).
—Nicolas Slonimsky/Laura Kuhn/Dennis McIntire