significant Italian composer who flourished in the early 17th century. He was active in Venice, where he led his own ensemble of wind players. He also was a musician in the chapel of the Doge and at San Marco. Castello publ, two vols, of instrumental sonatas (Venice, 1621, 1629). They constitute an important contribution to the development of a true instrumental style, and are marked by virtuoso writing in which the traditional canzona style serves as the foundation of an exploration of the stil moderno.
—Nicolas Slonimsky/Laura Kuhn/Dennis McIntire