​AGOSTINO, or Agostini [Augustinus], PAOLO (1593–1629), Italian musician, was born at Valerano, and studied under G. B. Nanini, as we learn from the dedication in the third and fourth books of his masses, subsequently becoming the son-in-law of his master. He succeeded Ugolini as conductor of the pope’s orchestra in St. Peter’s. His musical compositions are numerous and of great merit, an Agnus Dei for eight voices being specially admired.