- Claudio Annibaldi
( b Rome, March 31, 1571; d Rome, February 10, 1621). Italian ecclesiastic and patron of music . Nephew of Pope Clement VIII, who created him cardinal in 1593, he acquired a leading role in the papal court by negotiating the reversion of the Duchy of Ferrara to the papacy (1598) and a treaty between France and Savoy over the disputed marquisate of Saluzzo (1601). Until his uncle’s death (1605), he was among Rome’s most influential patrons of music and art; among the composers who dedicated publications to him were Palestrina, Monte, Cavalieri and Luzzaschi, and his protégés included both members of the papal chapel (e.g. Felice Anerio, Ruggiero Giovanelli and Girolamo Rosini) and instrumentalists from the disbanded Ferrarese establishment (the Piccinini brothers and Rinaldo Dall’Arpa). Pietro’s influence declined during the pontificate of Paul V; the last great beneficiary of his patronage was Frescobaldi, who dedicated to him the ...