Pietro Della Valle (1586–1652) was an Italian composer and musician, primarily known for his work in the early Baroque period. While he is often overshadowed by contemporaries, Della Valle is recognized for his contributions to sacred and instrumental music, particularly through the development of the sonata and concertato styles. His notable works include "Sonate da chiesa," which feature a blend of vocal and instrumental textures, and "Concerti ecclesiastici," which showcase his innovative approach to liturgical music. Della Valle's compositions often reflect the emotional expressiveness characteristic of the Baroque era, utilizing rich harmonies and intricate counterpoint. Although not widely known today, Della Valle's impact on music lies in his role in the evolution of forms that would influence later composers. His exploration of instrumental music helped lay groundwork for the sonata and concerto genres that became central to Baroque music. As a performer and composer, he contributed to the broader cultural landscape of early 17th-century Italy, engaging with the emerging styles that would shape Western classical music.