Italian composer, born in Rome in 1550 and died in the same city March 11, 1602.
Between 1578 and 1584 he devoted himself to organizing the musical manifestations of the Oratory of S. Marcello in Rome. In Florence, Cardinal Fernando I, Duke of Florenceappointed him in 1588 Superintendent of art, costumes, parties, theatre and music. The following year he participated as a composer, with a madrigal and a ballet, in written for the wedding of Ferdinand with Cristina de Lorena intermediates. His first essays of monodic singing took place them in the pastoral La Disperazione di Fileno, Il Gioco della cieca and Il Satiro, 1595 the poet Laura Guidicioni written works and that have been lost. In 1600 was staged at the Oratory of the Vallicella in Rome his Rappresentazione di Anima e di Corpo, whose music he composed along with Dioriso Isorelli. This work is not an oratory, but a spiritual representation in recitative style. Cavalieri is considered the founder of the theatrical monodic style, although it was not recognized by their Florentine rivals Jacopo Peri and Caccini.
In its production are also the oratorio L'Ascensione of the Nostro Salvatore, the Lamentationes Hieremiae Prophetae for solo voice, choir and organ (written with Isorelli), and the Responsi two and three voices.