2nd December 1578
10th April 1640
Agostino Agazzari was an Italian composer and music theorist.
Agazzari was born in to an aristocratic family. After working in Rome, as a teacher at the Roman College, he returned to Siena in 1607, becoming first organist and later choirmaster of the cathedral there. He was a close friend of Lodovico Grossi da Viadana, the early innovator of the basso continuo.