 This resulted in the birth of the so-called stile rappresentativo, the vocal style characteristic of early opera, of which Claudio Monteverdi’s (1567–1643) L’Orfeo (1607) is considered the first masterpiece. Giulio Caccini (1550–1618) and Jacopo Peri (1561–1633) were active members of the Camerata, and have both left explicit discussion of the theories that informed their musical style (relevant textual excerpts are collected in Strunk 1950: 370–392).