(b Tivoli, c.1545; d Rome, 1607).
It. composer. Ten. at S. Maria Maggiore, Rome, becoming choirmaster in 1567.Choirmaster S. Luigi de' Francesi, Rome 1575–7. Ten. in Sistine Chapel ch. from 1577, becoming choirmaster 1586. Est. Rome's first public sch. of mus. to be run by an Italian, being helped by his brother G. B. Nanino and Palestrina. Wrote madrigals, motets, canzonets, etc. Regarded as one of greatest contrapuntists of his time.